Home / 8,143,013.60-12,221,409.45-3,354,139.70

Finding the Fourth Proportional to 8,143,013.60, 12,221,409.45 and 3,354,139.70

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Solution

The fourth proportional to 8,143,013.60, 12,221,409.45 and 3,354,139.70 is: 5,034,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,013.60 : 12,221,409.45 = 3,354,139.70 : x
  2. Step 2: Convert to fraction form
    8,143,013.60/12,221,409.45 = 3,354,139.70/x
  3. Step 3: Cross multiply
    8,143,013.60x = 12,221,409.45 × 3,354,139.70
  4. Step 4: Simplify right side
    8,143,013.60x = 40,992,314,626,200.16
  5. Step 5: Solve for x
    x = 40,992,314,626,200.16/8,143,013.60
  6. Step 6: Final answer
    x = 5,034,047.18

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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.