Home / 15,607,991,052.54-21,539,043,593.34-8,471,406,335.93

Finding the Fourth Proportional to 15,607,991,052.54, 21,539,043,593.34 and 8,471,406,335.93

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Solution

The fourth proportional to 15,607,991,052.54, 21,539,043,593.34 and 8,471,406,335.93 is: 11,690,549,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607,991,052.54 : 21,539,043,593.34 = 8,471,406,335.93 : x
  2. Step 2: Convert to fraction form
    15,607,991,052.54/21,539,043,593.34 = 8,471,406,335.93/x
  3. Step 3: Cross multiply
    15,607,991,052.54x = 21,539,043,593.34 × 8,471,406,335.93
  4. Step 4: Simplify right side
    15,607,991,052.54x = 182,465,990,366,491,508,736
  5. Step 5: Solve for x
    x = 182,465,990,366,491,508,736/15,607,991,052.54
  6. Step 6: Final answer
    x = 11,690,549,395.65

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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.