Home / 13,612,278.80-20,418,418.20-8,573,430.80

Finding the Fourth Proportional to 13,612,278.80, 20,418,418.20 and 8,573,430.80

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Solution

The fourth proportional to 13,612,278.80, 20,418,418.20 and 8,573,430.80 is: 12,860,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,278.80 : 20,418,418.20 = 8,573,430.80 : x
  2. Step 2: Convert to fraction form
    13,612,278.80/20,418,418.20 = 8,573,430.80/x
  3. Step 3: Cross multiply
    13,612,278.80x = 20,418,418.20 × 8,573,430.80
  4. Step 4: Simplify right side
    13,612,278.80x = 175,055,895,483,160.56
  5. Step 5: Solve for x
    x = 175,055,895,483,160.56/13,612,278.80
  6. Step 6: Final answer
    x = 12,860,146.20

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1.5x scale

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.