Home / 10,361,686.20-15,542,529.30-9,731,311.80

Finding the Fourth Proportional to 10,361,686.20, 15,542,529.30 and 9,731,311.80

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Solution

The fourth proportional to 10,361,686.20, 15,542,529.30 and 9,731,311.80 is: 14,596,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,686.20 : 15,542,529.30 = 9,731,311.80 : x
  2. Step 2: Convert to fraction form
    10,361,686.20/15,542,529.30 = 9,731,311.80/x
  3. Step 3: Cross multiply
    10,361,686.20x = 15,542,529.30 × 9,731,311.80
  4. Step 4: Simplify right side
    10,361,686.20x = 151,249,198,778,935.75
  5. Step 5: Solve for x
    x = 151,249,198,778,935.75/10,361,686.20
  6. Step 6: Final answer
    x = 14,596,967.70

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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.