Home / 12,530,011.20-18,767,023.20-10,290,523.20

Finding the Fourth Proportional to 12,530,011.20, 18,767,023.20 and 10,290,523.20

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Solution

The fourth proportional to 12,530,011.20, 18,767,023.20 and 10,290,523.20 is: 15,412,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,011.20 : 18,767,023.20 = 10,290,523.20 : x
  2. Step 2: Convert to fraction form
    12,530,011.20/18,767,023.20 = 10,290,523.20/x
  3. Step 3: Cross multiply
    12,530,011.20x = 18,767,023.20 × 10,290,523.20
  4. Step 4: Simplify right side
    12,530,011.20x = 193,122,487,634,538.22
  5. Step 5: Solve for x
    x = 193,122,487,634,538.22/12,530,011.20
  6. Step 6: Final answer
    x = 15,412,794.49

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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.