Home / 13,486,279.10-20,229,418.65-13,402,298.30

Finding the Fourth Proportional to 13,486,279.10, 20,229,418.65 and 13,402,298.30

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Solution

The fourth proportional to 13,486,279.10, 20,229,418.65 and 13,402,298.30 is: 20,103,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,279.10 : 20,229,418.65 = 13,402,298.30 : x
  2. Step 2: Convert to fraction form
    13,486,279.10/20,229,418.65 = 13,402,298.30/x
  3. Step 3: Cross multiply
    13,486,279.10x = 20,229,418.65 × 13,402,298.30
  4. Step 4: Simplify right side
    13,486,279.10x = 271,120,703,182,883.28
  5. Step 5: Solve for x
    x = 271,120,703,182,883.28/13,486,279.10
  6. Step 6: Final answer
    x = 20,103,447.45

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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.