Home / 21,909,147.42-32,866,711.01-9,126,662.77

Finding the Fourth Proportional to 21,909,147.42, 32,866,711.01 and 9,126,662.77

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Solution

The fourth proportional to 21,909,147.42, 32,866,711.01 and 9,126,662.77 is: 13,691,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,147.42 : 32,866,711.01 = 9,126,662.77 : x
  2. Step 2: Convert to fraction form
    21,909,147.42/32,866,711.01 = 9,126,662.77/x
  3. Step 3: Cross multiply
    21,909,147.42x = 32,866,711.01 × 9,126,662.77
  4. Step 4: Simplify right side
    21,909,147.42x = 299,963,387,643,453.38
  5. Step 5: Solve for x
    x = 299,963,387,643,453.38/21,909,147.42
  6. Step 6: Final answer
    x = 13,691,239.64

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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.