Home / 8,581,338.30-12,872,007.45-4,536,263.10

Finding the Fourth Proportional to 8,581,338.30, 12,872,007.45 and 4,536,263.10

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Solution

The fourth proportional to 8,581,338.30, 12,872,007.45 and 4,536,263.10 is: 6,804,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,338.30 : 12,872,007.45 = 4,536,263.10 : x
  2. Step 2: Convert to fraction form
    8,581,338.30/12,872,007.45 = 4,536,263.10/x
  3. Step 3: Cross multiply
    8,581,338.30x = 12,872,007.45 × 4,536,263.10
  4. Step 4: Simplify right side
    8,581,338.30x = 58,390,812,418,360.09
  5. Step 5: Solve for x
    x = 58,390,812,418,360.09/8,581,338.30
  6. Step 6: Final answer
    x = 6,804,394.65

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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.