Home / 21,909,146.96-32,866,710.33-9,126,662.31

Finding the Fourth Proportional to 21,909,146.96, 32,866,710.33 and 9,126,662.31

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Solution

The fourth proportional to 21,909,146.96, 32,866,710.33 and 9,126,662.31 is: 13,691,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,146.96 : 32,866,710.33 = 9,126,662.31 : x
  2. Step 2: Convert to fraction form
    21,909,146.96/32,866,710.33 = 9,126,662.31/x
  3. Step 3: Cross multiply
    21,909,146.96x = 32,866,710.33 × 9,126,662.31
  4. Step 4: Simplify right side
    21,909,146.96x = 299,963,366,422,498.69
  5. Step 5: Solve for x
    x = 299,963,366,422,498.69/21,909,146.96
  6. Step 6: Final answer
    x = 13,691,238.96

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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.