Home / 28,016,523.20-42,030,689.70-8,849,217.80

Finding the Fourth Proportional to 28,016,523.20, 42,030,689.70 and 8,849,217.80

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Solution

The fourth proportional to 28,016,523.20, 42,030,689.70 and 8,849,217.80 is: 13,275,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,523.20 : 42,030,689.70 = 8,849,217.80 : x
  2. Step 2: Convert to fraction form
    28,016,523.20/42,030,689.70 = 8,849,217.80/x
  3. Step 3: Cross multiply
    28,016,523.20x = 42,030,689.70 × 8,849,217.80
  4. Step 4: Simplify right side
    28,016,523.20x = 371,938,727,439,516.69
  5. Step 5: Solve for x
    x = 371,938,727,439,516.69/28,016,523.20
  6. Step 6: Final answer
    x = 13,275,691.80

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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.