Home / 20,565,546.60-30,848,319.90-7,786,468.20

Finding the Fourth Proportional to 20,565,546.60, 30,848,319.90 and 7,786,468.20

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Solution

The fourth proportional to 20,565,546.60, 30,848,319.90 and 7,786,468.20 is: 11,679,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565,546.60 : 30,848,319.90 = 7,786,468.20 : x
  2. Step 2: Convert to fraction form
    20,565,546.60/30,848,319.90 = 7,786,468.20/x
  3. Step 3: Cross multiply
    20,565,546.60x = 30,848,319.90 × 7,786,468.20
  4. Step 4: Simplify right side
    20,565,546.60x = 240,199,461,924,777.19
  5. Step 5: Solve for x
    x = 240,199,461,924,777.19/20,565,546.60
  6. Step 6: Final answer
    x = 11,679,702.30

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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.