Home / 13,609,587.60-20,355,332.40-12,180,601.80

Finding the Fourth Proportional to 13,609,587.60, 20,355,332.40 and 12,180,601.80

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Solution

The fourth proportional to 13,609,587.60, 20,355,332.40 and 12,180,601.80 is: 18,218,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,587.60 : 20,355,332.40 = 12,180,601.80 : x
  2. Step 2: Convert to fraction form
    13,609,587.60/20,355,332.40 = 12,180,601.80/x
  3. Step 3: Cross multiply
    13,609,587.60x = 20,355,332.40 × 12,180,601.80
  4. Step 4: Simplify right side
    13,609,587.60x = 247,940,198,471,038.31
  5. Step 5: Solve for x
    x = 247,940,198,471,038.31/13,609,587.60
  6. Step 6: Final answer
    x = 18,218,053.75

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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.