Home / 8,509,081.12-12,737,201.50-4,608,851.71

Finding the Fourth Proportional to 8,509,081.12, 12,737,201.50 and 4,608,851.71

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Solution

The fourth proportional to 8,509,081.12, 12,737,201.50 and 4,608,851.71 is: 6,898,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,081.12 : 12,737,201.50 = 4,608,851.71 : x
  2. Step 2: Convert to fraction form
    8,509,081.12/12,737,201.50 = 4,608,851.71/x
  3. Step 3: Cross multiply
    8,509,081.12x = 12,737,201.50 × 4,608,851.71
  4. Step 4: Simplify right side
    8,509,081.12x = 58,703,872,911,689.88
  5. Step 5: Solve for x
    x = 58,703,872,911,689.88/8,509,081.12
  6. Step 6: Final answer
    x = 6,898,967.36

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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.