Home / 28,219,329.28-42,324,459.36-7,744,265.92

Finding the Fourth Proportional to 28,219,329.28, 42,324,459.36 and 7,744,265.92

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Solution

The fourth proportional to 28,219,329.28, 42,324,459.36 and 7,744,265.92 is: 11,615,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219,329.28 : 42,324,459.36 = 7,744,265.92 : x
  2. Step 2: Convert to fraction form
    28,219,329.28/42,324,459.36 = 7,744,265.92/x
  3. Step 3: Cross multiply
    28,219,329.28x = 42,324,459.36 × 7,744,265.92
  4. Step 4: Simplify right side
    28,219,329.28x = 327,771,868,204,073
  5. Step 5: Solve for x
    x = 327,771,868,204,073/28,219,329.28
  6. Step 6: Final answer
    x = 11,615,154.46

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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.