Home / 21,732,872.40-32,599,308.60-21,414,007.80

Finding the Fourth Proportional to 21,732,872.40, 32,599,308.60 and 21,414,007.80

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Solution

The fourth proportional to 21,732,872.40, 32,599,308.60 and 21,414,007.80 is: 32,121,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732,872.40 : 32,599,308.60 = 21,414,007.80 : x
  2. Step 2: Convert to fraction form
    21,732,872.40/32,599,308.60 = 21,414,007.80/x
  3. Step 3: Cross multiply
    21,732,872.40x = 32,599,308.60 × 21,414,007.80
  4. Step 4: Simplify right side
    21,732,872.40x = 698,081,848,635,007.12
  5. Step 5: Solve for x
    x = 698,081,848,635,007.12/21,732,872.40
  6. Step 6: Final answer
    x = 32,121,011.70

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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.