Home / 10,406,986.98-15,610,393.26-8,134,422.72

Finding the Fourth Proportional to 10,406,986.98, 15,610,393.26 and 8,134,422.72

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Solution

The fourth proportional to 10,406,986.98, 15,610,393.26 and 8,134,422.72 is: 12,201,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406,986.98 : 15,610,393.26 = 8,134,422.72 : x
  2. Step 2: Convert to fraction form
    10,406,986.98/15,610,393.26 = 8,134,422.72/x
  3. Step 3: Cross multiply
    10,406,986.98x = 15,610,393.26 × 8,134,422.72
  4. Step 4: Simplify right side
    10,406,986.98x = 126,981,537,602,278.86
  5. Step 5: Solve for x
    x = 126,981,537,602,278.86/10,406,986.98
  6. Step 6: Final answer
    x = 12,201,565.91

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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.