Home / 8,334,508.80-12,529,756.80-7,102,790.40

Finding the Fourth Proportional to 8,334,508.80, 12,529,756.80 and 7,102,790.40

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Solution

The fourth proportional to 8,334,508.80, 12,529,756.80 and 7,102,790.40 is: 10,678,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,508.80 : 12,529,756.80 = 7,102,790.40 : x
  2. Step 2: Convert to fraction form
    8,334,508.80/12,529,756.80 = 7,102,790.40/x
  3. Step 3: Cross multiply
    8,334,508.80x = 12,529,756.80 × 7,102,790.40
  4. Step 4: Simplify right side
    8,334,508.80x = 88,996,236,313,374.73
  5. Step 5: Solve for x
    x = 88,996,236,313,374.73/8,334,508.80
  6. Step 6: Final answer
    x = 10,678,042.16

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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.