Home / 7,677,959.60-11,520,913.80-3,132,340.40

Finding the Fourth Proportional to 7,677,959.60, 11,520,913.80 and 3,132,340.40

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Solution

The fourth proportional to 7,677,959.60, 11,520,913.80 and 3,132,340.40 is: 4,700,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,959.60 : 11,520,913.80 = 3,132,340.40 : x
  2. Step 2: Convert to fraction form
    7,677,959.60/11,520,913.80 = 3,132,340.40/x
  3. Step 3: Cross multiply
    7,677,959.60x = 11,520,913.80 × 3,132,340.40
  4. Step 4: Simplify right side
    7,677,959.60x = 36,087,423,740,657.52
  5. Step 5: Solve for x
    x = 36,087,423,740,657.52/7,677,959.60
  6. Step 6: Final answer
    x = 4,700,132.02

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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.