Home / 13,167,152.60-18,170,697.24-7,366,031.20

Finding the Fourth Proportional to 13,167,152.60, 18,170,697.24 and 7,366,031.20

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Solution

The fourth proportional to 13,167,152.60, 18,170,697.24 and 7,366,031.20 is: 10,165,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,152.60 : 18,170,697.24 = 7,366,031.20 : x
  2. Step 2: Convert to fraction form
    13,167,152.60/18,170,697.24 = 7,366,031.20/x
  3. Step 3: Cross multiply
    13,167,152.60x = 18,170,697.24 × 7,366,031.20
  4. Step 4: Simplify right side
    13,167,152.60x = 133,845,922,795,593.88
  5. Step 5: Solve for x
    x = 133,845,922,795,593.88/13,167,152.60
  6. Step 6: Final answer
    x = 10,165,137.97

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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.