Home / 9,529,019.30-13,150,241.10-5,178,385.85

Finding the Fourth Proportional to 9,529,019.30, 13,150,241.10 and 5,178,385.85

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Solution

The fourth proportional to 9,529,019.30, 13,150,241.10 and 5,178,385.85 is: 7,146,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529,019.30 : 13,150,241.10 = 5,178,385.85 : x
  2. Step 2: Convert to fraction form
    9,529,019.30/13,150,241.10 = 5,178,385.85/x
  3. Step 3: Cross multiply
    9,529,019.30x = 13,150,241.10 × 5,178,385.85
  4. Step 4: Simplify right side
    9,529,019.30x = 68,097,022,370,577.23
  5. Step 5: Solve for x
    x = 68,097,022,370,577.23/9,529,019.30
  6. Step 6: Final answer
    x = 7,146,278.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.