Home / 14,990,722.42-20,687,264.05-8,115,204.49

Finding the Fourth Proportional to 14,990,722.42, 20,687,264.05 and 8,115,204.49

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Solution

The fourth proportional to 14,990,722.42, 20,687,264.05 and 8,115,204.49 is: 11,199,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,722.42 : 20,687,264.05 = 8,115,204.49 : x
  2. Step 2: Convert to fraction form
    14,990,722.42/20,687,264.05 = 8,115,204.49/x
  3. Step 3: Cross multiply
    14,990,722.42x = 20,687,264.05 × 8,115,204.49
  4. Step 4: Simplify right side
    14,990,722.42x = 167,881,378,104,375.59
  5. Step 5: Solve for x
    x = 167,881,378,104,375.59/14,990,722.42
  6. Step 6: Final answer
    x = 11,199,018.53

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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.