Home / 15,762,969,819.57-21,752,884,153.71-8,897,811,794.22

Finding the Fourth Proportional to 15,762,969,819.57, 21,752,884,153.71 and 8,897,811,794.22

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Solution

The fourth proportional to 15,762,969,819.57, 21,752,884,153.71 and 8,897,811,794.22 is: 12,278,972,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,969,819.57 : 21,752,884,153.71 = 8,897,811,794.22 : x
  2. Step 2: Convert to fraction form
    15,762,969,819.57/21,752,884,153.71 = 8,897,811,794.22/x
  3. Step 3: Cross multiply
    15,762,969,819.57x = 21,752,884,153.71 × 8,897,811,794.22
  4. Step 4: Simplify right side
    15,762,969,819.57x = 193,553,069,181,182,148,608
  5. Step 5: Solve for x
    x = 193,553,069,181,182,148,608/15,762,969,819.57
  6. Step 6: Final answer
    x = 12,278,972,262.00

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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.