Home / 8,121,248.65-12,182,624.66-2,656,374.49

Finding the Fourth Proportional to 8,121,248.65, 12,182,624.66 and 2,656,374.49

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Solution

The fourth proportional to 8,121,248.65, 12,182,624.66 and 2,656,374.49 is: 3,984,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,248.65 : 12,182,624.66 = 2,656,374.49 : x
  2. Step 2: Convert to fraction form
    8,121,248.65/12,182,624.66 = 2,656,374.49/x
  3. Step 3: Cross multiply
    8,121,248.65x = 12,182,624.66 × 2,656,374.49
  4. Step 4: Simplify right side
    8,121,248.65x = 32,361,613,368,068.93
  5. Step 5: Solve for x
    x = 32,361,613,368,068.93/8,121,248.65
  6. Step 6: Final answer
    x = 3,984,807.60

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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.