Home / 12,240,019.20-18,343,232.48-7,744,247.04

Finding the Fourth Proportional to 12,240,019.20, 18,343,232.48 and 7,744,247.04

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Solution

The fourth proportional to 12,240,019.20, 18,343,232.48 and 7,744,247.04 is: 11,605,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,019.20 : 18,343,232.48 = 7,744,247.04 : x
  2. Step 2: Convert to fraction form
    12,240,019.20/18,343,232.48 = 7,744,247.04/x
  3. Step 3: Cross multiply
    12,240,019.20x = 18,343,232.48 × 7,744,247.04
  4. Step 4: Simplify right side
    12,240,019.20x = 142,054,523,837,271.88
  5. Step 5: Solve for x
    x = 142,054,523,837,271.88/12,240,019.20
  6. Step 6: Final answer
    x = 11,605,743.55

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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.