Home / 12,451,711.64-18,683,242.52-6,390,699.73

Finding the Fourth Proportional to 12,451,711.64, 18,683,242.52 and 6,390,699.73

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Solution

The fourth proportional to 12,451,711.64, 18,683,242.52 and 6,390,699.73 is: 9,588,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,711.64 : 18,683,242.52 = 6,390,699.73 : x
  2. Step 2: Convert to fraction form
    12,451,711.64/18,683,242.52 = 6,390,699.73/x
  3. Step 3: Cross multiply
    12,451,711.64x = 18,683,242.52 × 6,390,699.73
  4. Step 4: Simplify right side
    12,451,711.64x = 119,398,992,849,426.92
  5. Step 5: Solve for x
    x = 119,398,992,849,426.92/12,451,711.64
  6. Step 6: Final answer
    x = 9,588,962.25

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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.