Home / 12,148,864.30-18,244,291.65-6,480,160.30

Finding the Fourth Proportional to 12,148,864.30, 18,244,291.65 and 6,480,160.30

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Solution

The fourth proportional to 12,148,864.30, 18,244,291.65 and 6,480,160.30 is: 9,731,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,864.30 : 18,244,291.65 = 6,480,160.30 : x
  2. Step 2: Convert to fraction form
    12,148,864.30/18,244,291.65 = 6,480,160.30/x
  3. Step 3: Cross multiply
    12,148,864.30x = 18,244,291.65 × 6,480,160.30
  4. Step 4: Simplify right side
    12,148,864.30x = 118,225,934,451,951.48
  5. Step 5: Solve for x
    x = 118,225,934,451,951.48/12,148,864.30
  6. Step 6: Final answer
    x = 9,731,439.21

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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.