Home / 38,676,827.60-57,948,886.20-18,438,491.60

Finding the Fourth Proportional to 38,676,827.60, 57,948,886.20 and 18,438,491.60

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Solution

The fourth proportional to 38,676,827.60, 57,948,886.20 and 18,438,491.60 is: 27,626,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,827.60 : 57,948,886.20 = 18,438,491.60 : x
  2. Step 2: Convert to fraction form
    38,676,827.60/57,948,886.20 = 18,438,491.60/x
  3. Step 3: Cross multiply
    38,676,827.60x = 57,948,886.20 × 18,438,491.60
  4. Step 4: Simplify right side
    38,676,827.60x = 1,068,490,051,428,056
  5. Step 5: Solve for x
    x = 1,068,490,051,428,056/38,676,827.60
  6. Step 6: Final answer
    x = 27,626,103.74

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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.