Home / 15,781,029,937.68-23,668,585,458.08-7,918,331,114.64

Finding the Fourth Proportional to 15,781,029,937.68, 23,668,585,458.08 and 7,918,331,114.64

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Solution

The fourth proportional to 15,781,029,937.68, 23,668,585,458.08 and 7,918,331,114.64 is: 11,876,011,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,029,937.68 : 23,668,585,458.08 = 7,918,331,114.64 : x
  2. Step 2: Convert to fraction form
    15,781,029,937.68/23,668,585,458.08 = 7,918,331,114.64/x
  3. Step 3: Cross multiply
    15,781,029,937.68x = 23,668,585,458.08 × 7,918,331,114.64
  4. Step 4: Simplify right side
    15,781,029,937.68x = 187,415,696,672,230,735,872
  5. Step 5: Solve for x
    x = 187,415,696,672,230,735,872/15,781,029,937.68
  6. Step 6: Final answer
    x = 11,876,011,731.32

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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.