Home / 21,736,598.40-32,442,126.84-21,377,841.84

Finding the Fourth Proportional to 21,736,598.40, 32,442,126.84 and 21,377,841.84

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Solution

The fourth proportional to 21,736,598.40, 32,442,126.84 and 21,377,841.84 is: 31,906,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736,598.40 : 32,442,126.84 = 21,377,841.84 : x
  2. Step 2: Convert to fraction form
    21,736,598.40/32,442,126.84 = 21,377,841.84/x
  3. Step 3: Cross multiply
    21,736,598.40x = 32,442,126.84 × 21,377,841.84
  4. Step 4: Simplify right side
    21,736,598.40x = 693,542,656,538,739
  5. Step 5: Solve for x
    x = 693,542,656,538,739/21,736,598.40
  6. Step 6: Final answer
    x = 31,906,678.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.