Home / 12,909,451.85-17,811,045.55-7,326,800.83

Finding the Fourth Proportional to 12,909,451.85, 17,811,045.55 and 7,326,800.83

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Solution

The fourth proportional to 12,909,451.85, 17,811,045.55 and 7,326,800.83 is: 10,108,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,451.85 : 17,811,045.55 = 7,326,800.83 : x
  2. Step 2: Convert to fraction form
    12,909,451.85/17,811,045.55 = 7,326,800.83/x
  3. Step 3: Cross multiply
    12,909,451.85x = 17,811,045.55 × 7,326,800.83
  4. Step 4: Simplify right side
    12,909,451.85x = 130,497,983,350,330.11
  5. Step 5: Solve for x
    x = 130,497,983,350,330.11/12,909,451.85
  6. Step 6: Final answer
    x = 10,108,716.07

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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.