Home / 15,179,844.96-22,748,509.40-7,980,590.88

Finding the Fourth Proportional to 15,179,844.96, 22,748,509.40 and 7,980,590.88

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Solution

The fourth proportional to 15,179,844.96, 22,748,509.40 and 7,980,590.88 is: 11,959,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,844.96 : 22,748,509.40 = 7,980,590.88 : x
  2. Step 2: Convert to fraction form
    15,179,844.96/22,748,509.40 = 7,980,590.88/x
  3. Step 3: Cross multiply
    15,179,844.96x = 22,748,509.40 × 7,980,590.88
  4. Step 4: Simplify right side
    15,179,844.96x = 181,546,546,611,331.31
  5. Step 5: Solve for x
    x = 181,546,546,611,331.31/15,179,844.96
  6. Step 6: Final answer
    x = 11,959,710.20

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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.