Home / 20,161,482.30-30,242,223.45-17,012,202.30

Finding the Fourth Proportional to 20,161,482.30, 30,242,223.45 and 17,012,202.30

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Solution

The fourth proportional to 20,161,482.30, 30,242,223.45 and 17,012,202.30 is: 25,518,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,482.30 : 30,242,223.45 = 17,012,202.30 : x
  2. Step 2: Convert to fraction form
    20,161,482.30/30,242,223.45 = 17,012,202.30/x
  3. Step 3: Cross multiply
    20,161,482.30x = 30,242,223.45 × 17,012,202.30
  4. Step 4: Simplify right side
    20,161,482.30x = 514,486,823,333,203.94
  5. Step 5: Solve for x
    x = 514,486,823,333,203.94/20,161,482.30
  6. Step 6: Final answer
    x = 25,518,303.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.