Home / 20,213,089.60-30,319,634.40-17,024,443.60

Finding the Fourth Proportional to 20,213,089.60, 30,319,634.40 and 17,024,443.60

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Solution

The fourth proportional to 20,213,089.60, 30,319,634.40 and 17,024,443.60 is: 25,536,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,089.60 : 30,319,634.40 = 17,024,443.60 : x
  2. Step 2: Convert to fraction form
    20,213,089.60/30,319,634.40 = 17,024,443.60/x
  3. Step 3: Cross multiply
    20,213,089.60x = 30,319,634.40 × 17,024,443.60
  4. Step 4: Simplify right side
    20,213,089.60x = 516,174,905,815,419.88
  5. Step 5: Solve for x
    x = 516,174,905,815,419.88/20,213,089.60
  6. Step 6: Final answer
    x = 25,536,665.40

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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.