Home / 8,461,111.80-12,687,002.10-3,406,711.80

Finding the Fourth Proportional to 8,461,111.80, 12,687,002.10 and 3,406,711.80

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Solution

The fourth proportional to 8,461,111.80, 12,687,002.10 and 3,406,711.80 is: 5,108,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,111.80 : 12,687,002.10 = 3,406,711.80 : x
  2. Step 2: Convert to fraction form
    8,461,111.80/12,687,002.10 = 3,406,711.80/x
  3. Step 3: Cross multiply
    8,461,111.80x = 12,687,002.10 × 3,406,711.80
  4. Step 4: Simplify right side
    8,461,111.80x = 43,220,959,760,694.77
  5. Step 5: Solve for x
    x = 43,220,959,760,694.77/8,461,111.80
  6. Step 6: Final answer
    x = 5,108,189.18

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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.