Home / 13,842,404.20-20,763,606.30-7,385,396.05

Finding the Fourth Proportional to 13,842,404.20, 20,763,606.30 and 7,385,396.05

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Solution

The fourth proportional to 13,842,404.20, 20,763,606.30 and 7,385,396.05 is: 11,078,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,404.20 : 20,763,606.30 = 7,385,396.05 : x
  2. Step 2: Convert to fraction form
    13,842,404.20/20,763,606.30 = 7,385,396.05/x
  3. Step 3: Cross multiply
    13,842,404.20x = 20,763,606.30 × 7,385,396.05
  4. Step 4: Simplify right side
    13,842,404.20x = 153,347,455,951,775.12
  5. Step 5: Solve for x
    x = 153,347,455,951,775.12/13,842,404.20
  6. Step 6: Final answer
    x = 11,078,094.08

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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.