Home / 12,557,077.20-18,835,615.80-12,344,500.80

Finding the Fourth Proportional to 12,557,077.20, 18,835,615.80 and 12,344,500.80

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Solution

The fourth proportional to 12,557,077.20, 18,835,615.80 and 12,344,500.80 is: 18,516,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,077.20 : 18,835,615.80 = 12,344,500.80 : x
  2. Step 2: Convert to fraction form
    12,557,077.20/18,835,615.80 = 12,344,500.80/x
  3. Step 3: Cross multiply
    12,557,077.20x = 18,835,615.80 × 12,344,500.80
  4. Step 4: Simplify right side
    12,557,077.20x = 232,516,274,311,592.66
  5. Step 5: Solve for x
    x = 232,516,274,311,592.66/12,557,077.20
  6. Step 6: Final answer
    x = 18,516,751.20

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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.