Home / 12,532,785.60-18,799,178.40-8,277,758.40

Finding the Fourth Proportional to 12,532,785.60, 18,799,178.40 and 8,277,758.40

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Solution

The fourth proportional to 12,532,785.60, 18,799,178.40 and 8,277,758.40 is: 12,416,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532,785.60 : 18,799,178.40 = 8,277,758.40 : x
  2. Step 2: Convert to fraction form
    12,532,785.60/18,799,178.40 = 8,277,758.40/x
  3. Step 3: Cross multiply
    12,532,785.60x = 18,799,178.40 × 8,277,758.40
  4. Step 4: Simplify right side
    12,532,785.60x = 155,615,056,913,698.56
  5. Step 5: Solve for x
    x = 155,615,056,913,698.56/12,532,785.60
  6. Step 6: Final answer
    x = 12,416,637.60

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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.