Home / 9,980,470.17-13,773,032.51-5,629,543.02

Finding the Fourth Proportional to 9,980,470.17, 13,773,032.51 and 5,629,543.02

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Solution

The fourth proportional to 9,980,470.17, 13,773,032.51 and 5,629,543.02 is: 7,768,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,470.17 : 13,773,032.51 = 5,629,543.02 : x
  2. Step 2: Convert to fraction form
    9,980,470.17/13,773,032.51 = 5,629,543.02/x
  3. Step 3: Cross multiply
    9,980,470.17x = 13,773,032.51 × 5,629,543.02
  4. Step 4: Simplify right side
    9,980,470.17x = 77,535,879,002,755.86
  5. Step 5: Solve for x
    x = 77,535,879,002,755.86/9,980,470.17
  6. Step 6: Final answer
    x = 7,768,760.16

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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.