Home / 7,182,023.40-10,773,035.10-6,520,674.60

Finding the Fourth Proportional to 7,182,023.40, 10,773,035.10 and 6,520,674.60

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Solution

The fourth proportional to 7,182,023.40, 10,773,035.10 and 6,520,674.60 is: 9,781,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,023.40 : 10,773,035.10 = 6,520,674.60 : x
  2. Step 2: Convert to fraction form
    7,182,023.40/10,773,035.10 = 6,520,674.60/x
  3. Step 3: Cross multiply
    7,182,023.40x = 10,773,035.10 × 6,520,674.60
  4. Step 4: Simplify right side
    7,182,023.40x = 70,247,456,341,478.45
  5. Step 5: Solve for x
    x = 70,247,456,341,478.45/7,182,023.40
  6. Step 6: Final answer
    x = 9,781,011.90

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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.