Home / 29,140,488.72-40,213,235.16-15,909,213.24

Finding the Fourth Proportional to 29,140,488.72, 40,213,235.16 and 15,909,213.24

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Solution

The fourth proportional to 29,140,488.72, 40,213,235.16 and 15,909,213.24 is: 21,954,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140,488.72 : 40,213,235.16 = 15,909,213.24 : x
  2. Step 2: Convert to fraction form
    29,140,488.72/40,213,235.16 = 15,909,213.24/x
  3. Step 3: Cross multiply
    29,140,488.72x = 40,213,235.16 × 15,909,213.24
  4. Step 4: Simplify right side
    29,140,488.72x = 639,760,933,230,705.50
  5. Step 5: Solve for x
    x = 639,760,933,230,705.50/29,140,488.72
  6. Step 6: Final answer
    x = 21,954,365.26

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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.