Home / 12,180,042.27-16,802,824.03-10,786,024.55

Finding the Fourth Proportional to 12,180,042.27, 16,802,824.03 and 10,786,024.55

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Solution

The fourth proportional to 12,180,042.27, 16,802,824.03 and 10,786,024.55 is: 14,879,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,042.27 : 16,802,824.03 = 10,786,024.55 : x
  2. Step 2: Convert to fraction form
    12,180,042.27/16,802,824.03 = 10,786,024.55/x
  3. Step 3: Cross multiply
    12,180,042.27x = 16,802,824.03 × 10,786,024.55
  4. Step 4: Simplify right side
    12,180,042.27x = 181,235,672,478,182.78
  5. Step 5: Solve for x
    x = 181,235,672,478,182.78/12,180,042.27
  6. Step 6: Final answer
    x = 14,879,724.43

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1.5x scale

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.