Home / 8,479,042.58-12,661,130.95-6,730,292.86

Finding the Fourth Proportional to 8,479,042.58, 12,661,130.95 and 6,730,292.86

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Solution

The fourth proportional to 8,479,042.58, 12,661,130.95 and 6,730,292.86 is: 10,049,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,042.58 : 12,661,130.95 = 6,730,292.86 : x
  2. Step 2: Convert to fraction form
    8,479,042.58/12,661,130.95 = 6,730,292.86/x
  3. Step 3: Cross multiply
    8,479,042.58x = 12,661,130.95 × 6,730,292.86
  4. Step 4: Simplify right side
    8,479,042.58x = 85,213,119,232,310.02
  5. Step 5: Solve for x
    x = 85,213,119,232,310.02/8,479,042.58
  6. Step 6: Final answer
    x = 10,049,851.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.