Home / 13,526,180.15-20,289,565.60-8,139,336.71

Finding the Fourth Proportional to 13,526,180.15, 20,289,565.60 and 8,139,336.71

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Solution

The fourth proportional to 13,526,180.15, 20,289,565.60 and 8,139,336.71 is: 12,209,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526,180.15 : 20,289,565.60 = 8,139,336.71 : x
  2. Step 2: Convert to fraction form
    13,526,180.15/20,289,565.60 = 8,139,336.71/x
  3. Step 3: Cross multiply
    13,526,180.15x = 20,289,565.60 × 8,139,336.71
  4. Step 4: Simplify right side
    13,526,180.15x = 165,143,605,996,237
  5. Step 5: Solve for x
    x = 165,143,605,996,237/13,526,180.15
  6. Step 6: Final answer
    x = 12,209,182.80

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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.