Home / 15,762,969,823.56-21,752,884,159.24-8,897,811,798.24

Finding the Fourth Proportional to 15,762,969,823.56, 21,752,884,159.24 and 8,897,811,798.24

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Solution

The fourth proportional to 15,762,969,823.56, 21,752,884,159.24 and 8,897,811,798.24 is: 12,278,972,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,969,823.56 : 21,752,884,159.24 = 8,897,811,798.24 : x
  2. Step 2: Convert to fraction form
    15,762,969,823.56/21,752,884,159.24 = 8,897,811,798.24/x
  3. Step 3: Cross multiply
    15,762,969,823.56x = 21,752,884,159.24 × 8,897,811,798.24
  4. Step 4: Simplify right side
    15,762,969,823.56x = 193,553,069,317,833,687,040
  5. Step 5: Solve for x
    x = 193,553,069,317,833,687,040/15,762,969,823.56
  6. Step 6: Final answer
    x = 12,278,972,267.56

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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.