Home / 26,701,182.78-40,056,756.43-12,129,125.92

Finding the Fourth Proportional to 26,701,182.78, 40,056,756.43 and 12,129,125.92

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Solution

The fourth proportional to 26,701,182.78, 40,056,756.43 and 12,129,125.92 is: 18,195,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,701,182.78 : 40,056,756.43 = 12,129,125.92 : x
  2. Step 2: Convert to fraction form
    26,701,182.78/40,056,756.43 = 12,129,125.92/x
  3. Step 3: Cross multiply
    26,701,182.78x = 40,056,756.43 × 12,129,125.92
  4. Step 4: Simplify right side
    26,701,182.78x = 485,853,442,725,275.88
  5. Step 5: Solve for x
    x = 485,853,442,725,275.88/26,701,182.78
  6. Step 6: Final answer
    x = 18,195,952.09

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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.