Home / 13,486,278.60-20,229,417.90-13,402,297.80

Finding the Fourth Proportional to 13,486,278.60, 20,229,417.90 and 13,402,297.80

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Solution

The fourth proportional to 13,486,278.60, 20,229,417.90 and 13,402,297.80 is: 20,103,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,278.60 : 20,229,417.90 = 13,402,297.80 : x
  2. Step 2: Convert to fraction form
    13,486,278.60/20,229,417.90 = 13,402,297.80/x
  3. Step 3: Cross multiply
    13,486,278.60x = 20,229,417.90 × 13,402,297.80
  4. Step 4: Simplify right side
    13,486,278.60x = 271,120,683,016,450.62
  5. Step 5: Solve for x
    x = 271,120,683,016,450.62/13,486,278.60
  6. Step 6: Final answer
    x = 20,103,446.70

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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.