Home / 8,076,838.30-12,103,447.65-6,872,238.70

Finding the Fourth Proportional to 8,076,838.30, 12,103,447.65 and 6,872,238.70

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Solution

The fourth proportional to 8,076,838.30, 12,103,447.65 and 6,872,238.70 is: 10,298,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,838.30 : 12,103,447.65 = 6,872,238.70 : x
  2. Step 2: Convert to fraction form
    8,076,838.30/12,103,447.65 = 6,872,238.70/x
  3. Step 3: Cross multiply
    8,076,838.30x = 12,103,447.65 × 6,872,238.70
  4. Step 4: Simplify right side
    8,076,838.30x = 83,177,781,343,754.06
  5. Step 5: Solve for x
    x = 83,177,781,343,754.06/8,076,838.30
  6. Step 6: Final answer
    x = 10,298,309.59

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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.