Home / 10,429,846.80-15,613,277.40-9,170,134.80

Finding the Fourth Proportional to 10,429,846.80, 15,613,277.40 and 9,170,134.80

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Solution

The fourth proportional to 10,429,846.80, 15,613,277.40 and 9,170,134.80 is: 13,727,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,846.80 : 15,613,277.40 = 9,170,134.80 : x
  2. Step 2: Convert to fraction form
    10,429,846.80/15,613,277.40 = 9,170,134.80/x
  3. Step 3: Cross multiply
    10,429,846.80x = 15,613,277.40 × 9,170,134.80
  4. Step 4: Simplify right side
    10,429,846.80x = 143,175,858,427,793.53
  5. Step 5: Solve for x
    x = 143,175,858,427,793.53/10,429,846.80
  6. Step 6: Final answer
    x = 13,727,513.09

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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.