Home / 13,486,279.60-20,229,419.40-13,402,298.80

Finding the Fourth Proportional to 13,486,279.60, 20,229,419.40 and 13,402,298.80

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Solution

The fourth proportional to 13,486,279.60, 20,229,419.40 and 13,402,298.80 is: 20,103,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,279.60 : 20,229,419.40 = 13,402,298.80 : x
  2. Step 2: Convert to fraction form
    13,486,279.60/20,229,419.40 = 13,402,298.80/x
  3. Step 3: Cross multiply
    13,486,279.60x = 20,229,419.40 × 13,402,298.80
  4. Step 4: Simplify right side
    13,486,279.60x = 271,120,723,349,316.72
  5. Step 5: Solve for x
    x = 271,120,723,349,316.72/13,486,279.60
  6. Step 6: Final answer
    x = 20,103,448.20

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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.