Home / 15,360,447.32-21,198,060.88-8,834,081.22

Finding the Fourth Proportional to 15,360,447.32, 21,198,060.88 and 8,834,081.22

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Solution

The fourth proportional to 15,360,447.32, 21,198,060.88 and 8,834,081.22 is: 12,191,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,447.32 : 21,198,060.88 = 8,834,081.22 : x
  2. Step 2: Convert to fraction form
    15,360,447.32/21,198,060.88 = 8,834,081.22/x
  3. Step 3: Cross multiply
    15,360,447.32x = 21,198,060.88 × 8,834,081.22
  4. Step 4: Simplify right side
    15,360,447.32x = 187,265,391,520,424.69
  5. Step 5: Solve for x
    x = 187,265,391,520,424.69/15,360,447.32
  6. Step 6: Final answer
    x = 12,191,402.22

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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.