Home / 20,222,647.10-30,333,970.65-13,420,202.30

Finding the Fourth Proportional to 20,222,647.10, 30,333,970.65 and 13,420,202.30

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Solution

The fourth proportional to 20,222,647.10, 30,333,970.65 and 13,420,202.30 is: 20,130,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,647.10 : 30,333,970.65 = 13,420,202.30 : x
  2. Step 2: Convert to fraction form
    20,222,647.10/30,333,970.65 = 13,420,202.30/x
  3. Step 3: Cross multiply
    20,222,647.10x = 30,333,970.65 × 13,420,202.30
  4. Step 4: Simplify right side
    20,222,647.10x = 407,088,022,685,262.50
  5. Step 5: Solve for x
    x = 407,088,022,685,262.50/20,222,647.10
  6. Step 6: Final answer
    x = 20,130,303.45

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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.