Home / 15,202,346.18-20,978,978.55-8,232,967.18

Finding the Fourth Proportional to 15,202,346.18, 20,978,978.55 and 8,232,967.18

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Solution

The fourth proportional to 15,202,346.18, 20,978,978.55 and 8,232,967.18 is: 11,361,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,346.18 : 20,978,978.55 = 8,232,967.18 : x
  2. Step 2: Convert to fraction form
    15,202,346.18/20,978,978.55 = 8,232,967.18/x
  3. Step 3: Cross multiply
    15,202,346.18x = 20,978,978.55 × 8,232,967.18
  4. Step 4: Simplify right side
    15,202,346.18x = 172,719,241,767,179.09
  5. Step 5: Solve for x
    x = 172,719,241,767,179.09/15,202,346.18
  6. Step 6: Final answer
    x = 11,361,354.34

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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.