Home / 8,461,126.80-12,687,024.60-3,406,726.80

Finding the Fourth Proportional to 8,461,126.80, 12,687,024.60 and 3,406,726.80

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Solution

The fourth proportional to 8,461,126.80, 12,687,024.60 and 3,406,726.80 is: 5,108,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,126.80 : 12,687,024.60 = 3,406,726.80 : x
  2. Step 2: Convert to fraction form
    8,461,126.80/12,687,024.60 = 3,406,726.80/x
  3. Step 3: Cross multiply
    8,461,126.80x = 12,687,024.60 × 3,406,726.80
  4. Step 4: Simplify right side
    8,461,126.80x = 43,221,226,717,079.27
  5. Step 5: Solve for x
    x = 43,221,226,717,079.27/8,461,126.80
  6. Step 6: Final answer
    x = 5,108,211.68

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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.