Home / 8,313,974.80-12,480,293.40-6,429,072.40

Finding the Fourth Proportional to 8,313,974.80, 12,480,293.40 and 6,429,072.40

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Solution

The fourth proportional to 8,313,974.80, 12,480,293.40 and 6,429,072.40 is: 9,650,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,974.80 : 12,480,293.40 = 6,429,072.40 : x
  2. Step 2: Convert to fraction form
    8,313,974.80/12,480,293.40 = 6,429,072.40/x
  3. Step 3: Cross multiply
    8,313,974.80x = 12,480,293.40 × 6,429,072.40
  4. Step 4: Simplify right side
    8,313,974.80x = 80,236,709,841,842.17
  5. Step 5: Solve for x
    x = 80,236,709,841,842.17/8,313,974.80
  6. Step 6: Final answer
    x = 9,650,824.28

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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.