Home / 13,405,589.98-18,499,169.40-7,604,247.20

Finding the Fourth Proportional to 13,405,589.98, 18,499,169.40 and 7,604,247.20

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Solution

The fourth proportional to 13,405,589.98, 18,499,169.40 and 7,604,247.20 is: 10,493,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,589.98 : 18,499,169.40 = 7,604,247.20 : x
  2. Step 2: Convert to fraction form
    13,405,589.98/18,499,169.40 = 7,604,247.20/x
  3. Step 3: Cross multiply
    13,405,589.98x = 18,499,169.40 × 7,604,247.20
  4. Step 4: Simplify right side
    13,405,589.98x = 140,672,257,112,275.67
  5. Step 5: Solve for x
    x = 140,672,257,112,275.67/13,405,589.98
  6. Step 6: Final answer
    x = 10,493,552.12

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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.