Home / 13,591,322.04-20,386,962.18-9,318,536.76

Finding the Fourth Proportional to 13,591,322.04, 20,386,962.18 and 9,318,536.76

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Solution

The fourth proportional to 13,591,322.04, 20,386,962.18 and 9,318,536.76 is: 13,977,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,322.04 : 20,386,962.18 = 9,318,536.76 : x
  2. Step 2: Convert to fraction form
    13,591,322.04/20,386,962.18 = 9,318,536.76/x
  3. Step 3: Cross multiply
    13,591,322.04x = 20,386,962.18 × 9,318,536.76
  4. Step 4: Simplify right side
    13,591,322.04x = 189,976,656,499,059.72
  5. Step 5: Solve for x
    x = 189,976,656,499,059.72/13,591,322.04
  6. Step 6: Final answer
    x = 13,977,790.82

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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.