Home / 15,035,331.36-20,748,831.14-8,159,821.32

Finding the Fourth Proportional to 15,035,331.36, 20,748,831.14 and 8,159,821.32

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Solution

The fourth proportional to 15,035,331.36, 20,748,831.14 and 8,159,821.32 is: 11,260,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,331.36 : 20,748,831.14 = 8,159,821.32 : x
  2. Step 2: Convert to fraction form
    15,035,331.36/20,748,831.14 = 8,159,821.32/x
  3. Step 3: Cross multiply
    15,035,331.36x = 20,748,831.14 × 8,159,821.32
  4. Step 4: Simplify right side
    15,035,331.36x = 169,306,754,701,251.91
  5. Step 5: Solve for x
    x = 169,306,754,701,251.91/15,035,331.36
  6. Step 6: Final answer
    x = 11,260,593.51

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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.