Home / 6,520,746.60-9,781,119.90-3,155,293.80

Finding the Fourth Proportional to 6,520,746.60, 9,781,119.90 and 3,155,293.80

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Solution

The fourth proportional to 6,520,746.60, 9,781,119.90 and 3,155,293.80 is: 4,732,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,746.60 : 9,781,119.90 = 3,155,293.80 : x
  2. Step 2: Convert to fraction form
    6,520,746.60/9,781,119.90 = 3,155,293.80/x
  3. Step 3: Cross multiply
    6,520,746.60x = 9,781,119.90 × 3,155,293.80
  4. Step 4: Simplify right side
    6,520,746.60x = 30,862,306,977,526.62
  5. Step 5: Solve for x
    x = 30,862,306,977,526.62/6,520,746.60
  6. Step 6: Final answer
    x = 4,732,940.70

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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.