Home / 13,753,947.61-18,961,478.49-10,972,508.86

Finding the Fourth Proportional to 13,753,947.61, 18,961,478.49 and 10,972,508.86

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Solution

The fourth proportional to 13,753,947.61, 18,961,478.49 and 10,972,508.86 is: 15,126,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,947.61 : 18,961,478.49 = 10,972,508.86 : x
  2. Step 2: Convert to fraction form
    13,753,947.61/18,961,478.49 = 10,972,508.86/x
  3. Step 3: Cross multiply
    13,753,947.61x = 18,961,478.49 × 10,972,508.86
  4. Step 4: Simplify right side
    13,753,947.61x = 208,054,990,730,224.41
  5. Step 5: Solve for x
    x = 208,054,990,730,224.41/13,753,947.61
  6. Step 6: Final answer
    x = 15,126,929.13

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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.