Home / 8,541,140.40-11,786,421.96-5,105,275.92

Finding the Fourth Proportional to 8,541,140.40, 11,786,421.96 and 5,105,275.92

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Solution

The fourth proportional to 8,541,140.40, 11,786,421.96 and 5,105,275.92 is: 7,045,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,140.40 : 11,786,421.96 = 5,105,275.92 : x
  2. Step 2: Convert to fraction form
    8,541,140.40/11,786,421.96 = 5,105,275.92/x
  3. Step 3: Cross multiply
    8,541,140.40x = 11,786,421.96 × 5,105,275.92
  4. Step 4: Simplify right side
    8,541,140.40x = 60,172,936,215,347.20
  5. Step 5: Solve for x
    x = 60,172,936,215,347.20/8,541,140.40
  6. Step 6: Final answer
    x = 7,045,070.49

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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.