Home / 21,909,155.87-32,866,723.69-9,126,671.22

Finding the Fourth Proportional to 21,909,155.87, 32,866,723.69 and 9,126,671.22

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Solution

The fourth proportional to 21,909,155.87, 32,866,723.69 and 9,126,671.22 is: 13,691,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,155.87 : 32,866,723.69 = 9,126,671.22 : x
  2. Step 2: Convert to fraction form
    21,909,155.87/32,866,723.69 = 9,126,671.22/x
  3. Step 3: Cross multiply
    21,909,155.87x = 32,866,723.69 × 9,126,671.22
  4. Step 4: Simplify right side
    21,909,155.87x = 299,963,781,174,398.56
  5. Step 5: Solve for x
    x = 299,963,781,174,398.56/21,909,155.87
  6. Step 6: Final answer
    x = 13,691,252.32

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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.