Home / 8,013,881.78-12,020,654.09-1,948,644.61

Finding the Fourth Proportional to 8,013,881.78, 12,020,654.09 and 1,948,644.61

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Solution

The fourth proportional to 8,013,881.78, 12,020,654.09 and 1,948,644.61 is: 2,922,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013,881.78 : 12,020,654.09 = 1,948,644.61 : x
  2. Step 2: Convert to fraction form
    8,013,881.78/12,020,654.09 = 1,948,644.61/x
  3. Step 3: Cross multiply
    8,013,881.78x = 12,020,654.09 × 1,948,644.61
  4. Step 4: Simplify right side
    8,013,881.78x = 23,423,982,765,011.80
  5. Step 5: Solve for x
    x = 23,423,982,765,011.80/8,013,881.78
  6. Step 6: Final answer
    x = 2,922,925.92

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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.