Home / 21,891,518.64-32,842,629.36-15,427,203.12

Finding the Fourth Proportional to 21,891,518.64, 32,842,629.36 and 15,427,203.12

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Solution

The fourth proportional to 21,891,518.64, 32,842,629.36 and 15,427,203.12 is: 23,144,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,891,518.64 : 32,842,629.36 = 15,427,203.12 : x
  2. Step 2: Convert to fraction form
    21,891,518.64/32,842,629.36 = 15,427,203.12/x
  3. Step 3: Cross multiply
    21,891,518.64x = 32,842,629.36 × 15,427,203.12
  4. Step 4: Simplify right side
    21,891,518.64x = 506,669,914,131,595.56
  5. Step 5: Solve for x
    x = 506,669,914,131,595.56/21,891,518.64
  6. Step 6: Final answer
    x = 23,144,575.87

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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.