Home / 15,739,327.59-21,720,317.06-9,125,201.43

Finding the Fourth Proportional to 15,739,327.59, 21,720,317.06 and 9,125,201.43

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Solution

The fourth proportional to 15,739,327.59, 21,720,317.06 and 9,125,201.43 is: 12,592,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,327.59 : 21,720,317.06 = 9,125,201.43 : x
  2. Step 2: Convert to fraction form
    15,739,327.59/21,720,317.06 = 9,125,201.43/x
  3. Step 3: Cross multiply
    15,739,327.59x = 21,720,317.06 × 9,125,201.43
  4. Step 4: Simplify right side
    15,739,327.59x = 198,202,268,295,965.38
  5. Step 5: Solve for x
    x = 198,202,268,295,965.38/15,739,327.59
  6. Step 6: Final answer
    x = 12,592,804.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.