Home / 13,486,590.60-20,229,885.90-13,402,609.80

Finding the Fourth Proportional to 13,486,590.60, 20,229,885.90 and 13,402,609.80

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Solution

The fourth proportional to 13,486,590.60, 20,229,885.90 and 13,402,609.80 is: 20,103,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,590.60 : 20,229,885.90 = 13,402,609.80 : x
  2. Step 2: Convert to fraction form
    13,486,590.60/20,229,885.90 = 13,402,609.80/x
  3. Step 3: Cross multiply
    13,486,590.60x = 20,229,885.90 × 13,402,609.80
  4. Step 4: Simplify right side
    13,486,590.60x = 271,133,267,016,221.81
  5. Step 5: Solve for x
    x = 271,133,267,016,221.81/13,486,590.60
  6. Step 6: Final answer
    x = 20,103,914.70

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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.