Home / 21,533,750.10-29,726,526.15-13,275,288.18

Finding the Fourth Proportional to 21,533,750.10, 29,726,526.15 and 13,275,288.18

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Solution

The fourth proportional to 21,533,750.10, 29,726,526.15 and 13,275,288.18 is: 18,326,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533,750.10 : 29,726,526.15 = 13,275,288.18 : x
  2. Step 2: Convert to fraction form
    21,533,750.10/29,726,526.15 = 13,275,288.18/x
  3. Step 3: Cross multiply
    21,533,750.10x = 29,726,526.15 × 13,275,288.18
  4. Step 4: Simplify right side
    21,533,750.10x = 394,628,201,231,555.88
  5. Step 5: Solve for x
    x = 394,628,201,231,555.88/21,533,750.10
  6. Step 6: Final answer
    x = 18,326,032.36

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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.