Home / 12,086,587.32-18,127,912.65-4,897,830.84

Finding the Fourth Proportional to 12,086,587.32, 18,127,912.65 and 4,897,830.84

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Solution

The fourth proportional to 12,086,587.32, 18,127,912.65 and 4,897,830.84 is: 7,345,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086,587.32 : 18,127,912.65 = 4,897,830.84 : x
  2. Step 2: Convert to fraction form
    12,086,587.32/18,127,912.65 = 4,897,830.84/x
  3. Step 3: Cross multiply
    12,086,587.32x = 18,127,912.65 × 4,897,830.84
  4. Step 4: Simplify right side
    12,086,587.32x = 88,787,449,641,996.11
  5. Step 5: Solve for x
    x = 88,787,449,641,996.11/12,086,587.32
  6. Step 6: Final answer
    x = 7,345,948.64

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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.