Home / 13,149,060.90-19,723,591.35-7,409,498.10

Finding the Fourth Proportional to 13,149,060.90, 19,723,591.35 and 7,409,498.10

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Solution

The fourth proportional to 13,149,060.90, 19,723,591.35 and 7,409,498.10 is: 11,114,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,060.90 : 19,723,591.35 = 7,409,498.10 : x
  2. Step 2: Convert to fraction form
    13,149,060.90/19,723,591.35 = 7,409,498.10/x
  3. Step 3: Cross multiply
    13,149,060.90x = 19,723,591.35 × 7,409,498.10
  4. Step 4: Simplify right side
    13,149,060.90x = 146,141,912,633,001.44
  5. Step 5: Solve for x
    x = 146,141,912,633,001.44/13,149,060.90
  6. Step 6: Final answer
    x = 11,114,247.15

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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.