Home / 15,735,061.64-21,557,111.33-15,145,315.88

Finding the Fourth Proportional to 15,735,061.64, 21,557,111.33 and 15,145,315.88

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Solution

The fourth proportional to 15,735,061.64, 21,557,111.33 and 15,145,315.88 is: 20,749,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735,061.64 : 21,557,111.33 = 15,145,315.88 : x
  2. Step 2: Convert to fraction form
    15,735,061.64/21,557,111.33 = 15,145,315.88/x
  3. Step 3: Cross multiply
    15,735,061.64x = 21,557,111.33 × 15,145,315.88
  4. Step 4: Simplify right side
    15,735,061.64x = 326,489,260,483,254.62
  5. Step 5: Solve for x
    x = 326,489,260,483,254.62/15,735,061.64
  6. Step 6: Final answer
    x = 20,749,156.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.