Home / 25,900,619.60-38,861,815.80-13,919,358.80

Finding the Fourth Proportional to 25,900,619.60, 38,861,815.80 and 13,919,358.80

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Solution

The fourth proportional to 25,900,619.60, 38,861,815.80 and 13,919,358.80 is: 20,884,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900,619.60 : 38,861,815.80 = 13,919,358.80 : x
  2. Step 2: Convert to fraction form
    25,900,619.60/38,861,815.80 = 13,919,358.80/x
  3. Step 3: Cross multiply
    25,900,619.60x = 38,861,815.80 × 13,919,358.80
  4. Step 4: Simplify right side
    25,900,619.60x = 540,931,557,739,709
  5. Step 5: Solve for x
    x = 540,931,557,739,709/25,900,619.60
  6. Step 6: Final answer
    x = 20,884,888.71

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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.