Home / 10,422,776.71-14,375,045.07-9,162,770.00

Finding the Fourth Proportional to 10,422,776.71, 14,375,045.07 and 9,162,770.00

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Solution

The fourth proportional to 10,422,776.71, 14,375,045.07 and 9,162,770.00 is: 12,637,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422,776.71 : 14,375,045.07 = 9,162,770.00 : x
  2. Step 2: Convert to fraction form
    10,422,776.71/14,375,045.07 = 9,162,770.00/x
  3. Step 3: Cross multiply
    10,422,776.71x = 14,375,045.07 × 9,162,770.00
  4. Step 4: Simplify right side
    10,422,776.71x = 131,715,231,699,253.42
  5. Step 5: Solve for x
    x = 131,715,231,699,253.42/10,422,776.71
  6. Step 6: Final answer
    x = 12,637,249.68

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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.