Home / 18,890,432.28-28,335,807.15-5,244,642.69

Finding the Fourth Proportional to 18,890,432.28, 28,335,807.15 and 5,244,642.69

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Solution

The fourth proportional to 18,890,432.28, 28,335,807.15 and 5,244,642.69 is: 7,867,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890,432.28 : 28,335,807.15 = 5,244,642.69 : x
  2. Step 2: Convert to fraction form
    18,890,432.28/28,335,807.15 = 5,244,642.69/x
  3. Step 3: Cross multiply
    18,890,432.28x = 28,335,807.15 × 5,244,642.69
  4. Step 4: Simplify right side
    18,890,432.28x = 148,611,183,834,497.25
  5. Step 5: Solve for x
    x = 148,611,183,834,497.25/18,890,432.28
  6. Step 6: Final answer
    x = 7,867,008.10

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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.