Home / 28,017,793.95-42,006,844.35-12,447,070.65

Finding the Fourth Proportional to 28,017,793.95, 42,006,844.35 and 12,447,070.65

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Solution

The fourth proportional to 28,017,793.95, 42,006,844.35 and 12,447,070.65 is: 18,661,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017,793.95 : 42,006,844.35 = 12,447,070.65 : x
  2. Step 2: Convert to fraction form
    28,017,793.95/42,006,844.35 = 12,447,070.65/x
  3. Step 3: Cross multiply
    28,017,793.95x = 42,006,844.35 × 12,447,070.65
  4. Step 4: Simplify right side
    28,017,793.95x = 522,862,159,408,003.38
  5. Step 5: Solve for x
    x = 522,862,159,408,003.38/28,017,793.95
  6. Step 6: Final answer
    x = 18,661,789.02

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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.