Home / 12,217,314.88-16,859,432.64-6,785,156.80

Finding the Fourth Proportional to 12,217,314.88, 16,859,432.64 and 6,785,156.80

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Solution

The fourth proportional to 12,217,314.88, 16,859,432.64 and 6,785,156.80 is: 9,363,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,314.88 : 16,859,432.64 = 6,785,156.80 : x
  2. Step 2: Convert to fraction form
    12,217,314.88/16,859,432.64 = 6,785,156.80/x
  3. Step 3: Cross multiply
    12,217,314.88x = 16,859,432.64 × 6,785,156.80
  4. Step 4: Simplify right side
    12,217,314.88x = 114,393,894,021,437.95
  5. Step 5: Solve for x
    x = 114,393,894,021,437.95/12,217,314.88
  6. Step 6: Final answer
    x = 9,363,259.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.