Home / 20,424,118.88-30,638,418.18-10,191,552.30

Finding the Fourth Proportional to 20,424,118.88, 30,638,418.18 and 10,191,552.30

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Solution

The fourth proportional to 20,424,118.88, 30,638,418.18 and 10,191,552.30 is: 15,288,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,118.88 : 30,638,418.18 = 10,191,552.30 : x
  2. Step 2: Convert to fraction form
    20,424,118.88/30,638,418.18 = 10,191,552.30/x
  3. Step 3: Cross multiply
    20,424,118.88x = 30,638,418.18 × 10,191,552.30
  4. Step 4: Simplify right side
    20,424,118.88x = 312,253,041,232,522.50
  5. Step 5: Solve for x
    x = 312,253,041,232,522.50/20,424,118.88
  6. Step 6: Final answer
    x = 15,288,446.13

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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.