Home / 9,642,811.74-13,306,200.66-5,721,892.20

Finding the Fourth Proportional to 9,642,811.74, 13,306,200.66 and 5,721,892.20

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Solution

The fourth proportional to 9,642,811.74, 13,306,200.66 and 5,721,892.20 is: 7,895,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,811.74 : 13,306,200.66 = 5,721,892.20 : x
  2. Step 2: Convert to fraction form
    9,642,811.74/13,306,200.66 = 5,721,892.20/x
  3. Step 3: Cross multiply
    9,642,811.74x = 13,306,200.66 × 5,721,892.20
  4. Step 4: Simplify right side
    9,642,811.74x = 76,136,645,768,088.86
  5. Step 5: Solve for x
    x = 76,136,645,768,088.86/9,642,811.74
  6. Step 6: Final answer
    x = 7,895,689.33

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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.