Home / 8,257,307.86-12,386,289.84-2,577,532.78

Finding the Fourth Proportional to 8,257,307.86, 12,386,289.84 and 2,577,532.78

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Solution

The fourth proportional to 8,257,307.86, 12,386,289.84 and 2,577,532.78 is: 3,866,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,307.86 : 12,386,289.84 = 2,577,532.78 : x
  2. Step 2: Convert to fraction form
    8,257,307.86/12,386,289.84 = 2,577,532.78/x
  3. Step 3: Cross multiply
    8,257,307.86x = 12,386,289.84 × 2,577,532.78
  4. Step 4: Simplify right side
    8,257,307.86x = 31,926,068,085,180.95
  5. Step 5: Solve for x
    x = 31,926,068,085,180.95/8,257,307.86
  6. Step 6: Final answer
    x = 3,866,401.57

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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.