Home / 22,471,458.40-31,010,612.57-12,158,181.46

Finding the Fourth Proportional to 22,471,458.40, 31,010,612.57 and 12,158,181.46

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Solution

The fourth proportional to 22,471,458.40, 31,010,612.57 and 12,158,181.46 is: 16,778,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,458.40 : 31,010,612.57 = 12,158,181.46 : x
  2. Step 2: Convert to fraction form
    22,471,458.40/31,010,612.57 = 12,158,181.46/x
  3. Step 3: Cross multiply
    22,471,458.40x = 31,010,612.57 × 12,158,181.46
  4. Step 4: Simplify right side
    22,471,458.40x = 377,032,654,811,817
  5. Step 5: Solve for x
    x = 377,032,654,811,817/22,471,458.40
  6. Step 6: Final answer
    x = 16,778,290.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.