Home / 15,781,029,928.17-23,668,585,443.85-7,918,331,105.13

Finding the Fourth Proportional to 15,781,029,928.17, 23,668,585,443.85 and 7,918,331,105.13

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Solution

The fourth proportional to 15,781,029,928.17, 23,668,585,443.85 and 7,918,331,105.13 is: 11,876,011,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,029,928.17 : 23,668,585,443.85 = 7,918,331,105.13 : x
  2. Step 2: Convert to fraction form
    15,781,029,928.17/23,668,585,443.85 = 7,918,331,105.13/x
  3. Step 3: Cross multiply
    15,781,029,928.17x = 23,668,585,443.85 × 7,918,331,105.13
  4. Step 4: Simplify right side
    15,781,029,928.17x = 187,415,696,334,464,581,632
  5. Step 5: Solve for x
    x = 187,415,696,334,464,581,632/15,781,029,928.17
  6. Step 6: Final answer
    x = 11,876,011,717.08

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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.