Home / 20,235,522.60-30,353,283.90-13,778,514.45

Finding the Fourth Proportional to 20,235,522.60, 30,353,283.90 and 13,778,514.45

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Solution

The fourth proportional to 20,235,522.60, 30,353,283.90 and 13,778,514.45 is: 20,667,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,522.60 : 30,353,283.90 = 13,778,514.45 : x
  2. Step 2: Convert to fraction form
    20,235,522.60/30,353,283.90 = 13,778,514.45/x
  3. Step 3: Cross multiply
    20,235,522.60x = 30,353,283.90 × 13,778,514.45
  4. Step 4: Simplify right side
    20,235,522.60x = 418,223,160,821,102.31
  5. Step 5: Solve for x
    x = 418,223,160,821,102.31/20,235,522.60
  6. Step 6: Final answer
    x = 20,667,771.68

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Similar ratio
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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.