Home / 13,753,526.80-18,980,322.03-7,558,793.09

Finding the Fourth Proportional to 13,753,526.80, 18,980,322.03 and 7,558,793.09

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Solution

The fourth proportional to 13,753,526.80, 18,980,322.03 and 7,558,793.09 is: 10,431,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,526.80 : 18,980,322.03 = 7,558,793.09 : x
  2. Step 2: Convert to fraction form
    13,753,526.80/18,980,322.03 = 7,558,793.09/x
  3. Step 3: Cross multiply
    13,753,526.80x = 18,980,322.03 × 7,558,793.09
  4. Step 4: Simplify right side
    13,753,526.80x = 143,468,327,006,338.78
  5. Step 5: Solve for x
    x = 143,468,327,006,338.78/13,753,526.80
  6. Step 6: Final answer
    x = 10,431,384.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.