Home / 20,161,106.30-30,241,659.45-11,658,050.30

Finding the Fourth Proportional to 20,161,106.30, 30,241,659.45 and 11,658,050.30

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Solution

The fourth proportional to 20,161,106.30, 30,241,659.45 and 11,658,050.30 is: 17,487,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,106.30 : 30,241,659.45 = 11,658,050.30 : x
  2. Step 2: Convert to fraction form
    20,161,106.30/30,241,659.45 = 11,658,050.30/x
  3. Step 3: Cross multiply
    20,161,106.30x = 30,241,659.45 × 11,658,050.30
  4. Step 4: Simplify right side
    20,161,106.30x = 352,558,787,023,570.38
  5. Step 5: Solve for x
    x = 352,558,787,023,570.38/20,161,106.30
  6. Step 6: Final answer
    x = 17,487,075.45

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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.