Home / 28,604,689.20-42,908,355.72-9,437,121.36

Finding the Fourth Proportional to 28,604,689.20, 42,908,355.72 and 9,437,121.36

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Solution

The fourth proportional to 28,604,689.20, 42,908,355.72 and 9,437,121.36 is: 14,156,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604,689.20 : 42,908,355.72 = 9,437,121.36 : x
  2. Step 2: Convert to fraction form
    28,604,689.20/42,908,355.72 = 9,437,121.36/x
  3. Step 3: Cross multiply
    28,604,689.20x = 42,908,355.72 × 9,437,121.36
  4. Step 4: Simplify right side
    28,604,689.20x = 404,931,360,287,690.12
  5. Step 5: Solve for x
    x = 404,931,360,287,690.12/28,604,689.20
  6. Step 6: Final answer
    x = 14,156,118.16

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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.