Home / 28,331,572.05-42,497,358.08-9,176,076.45

Finding the Fourth Proportional to 28,331,572.05, 42,497,358.08 and 9,176,076.45

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Solution

The fourth proportional to 28,331,572.05, 42,497,358.08 and 9,176,076.45 is: 13,764,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,572.05 : 42,497,358.08 = 9,176,076.45 : x
  2. Step 2: Convert to fraction form
    28,331,572.05/42,497,358.08 = 9,176,076.45/x
  3. Step 3: Cross multiply
    28,331,572.05x = 42,497,358.08 × 9,176,076.45
  4. Step 4: Simplify right side
    28,331,572.05x = 389,959,006,619,224.81
  5. Step 5: Solve for x
    x = 389,959,006,619,224.81/28,331,572.05
  6. Step 6: Final answer
    x = 13,764,114.68

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Similar ratio
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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.