Home / 15,214,740.50-20,996,849.67-8,339,240.18

Finding the Fourth Proportional to 15,214,740.50, 20,996,849.67 and 8,339,240.18

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Solution

The fourth proportional to 15,214,740.50, 20,996,849.67 and 8,339,240.18 is: 11,508,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,740.50 : 20,996,849.67 = 8,339,240.18 : x
  2. Step 2: Convert to fraction form
    15,214,740.50/20,996,849.67 = 8,339,240.18/x
  3. Step 3: Cross multiply
    15,214,740.50x = 20,996,849.67 × 8,339,240.18
  4. Step 4: Simplify right side
    15,214,740.50x = 175,097,772,442,703.72
  5. Step 5: Solve for x
    x = 175,097,772,442,703.72/15,214,740.50
  6. Step 6: Final answer
    x = 11,508,429.76

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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.