Home / 8,399,309.10-12,584,966.85-7,895,424.30

Finding the Fourth Proportional to 8,399,309.10, 12,584,966.85 and 7,895,424.30

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Solution

The fourth proportional to 8,399,309.10, 12,584,966.85 and 7,895,424.30 is: 11,829,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,309.10 : 12,584,966.85 = 7,895,424.30 : x
  2. Step 2: Convert to fraction form
    8,399,309.10/12,584,966.85 = 7,895,424.30/x
  3. Step 3: Cross multiply
    8,399,309.10x = 12,584,966.85 × 7,895,424.30
  4. Step 4: Simplify right side
    8,399,309.10x = 99,363,653,082,184.45
  5. Step 5: Solve for x
    x = 99,363,653,082,184.45/8,399,309.10
  6. Step 6: Final answer
    x = 11,829,979.34

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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.