Home / 18,954,042.90-28,431,064.35-15,174,906.90

Finding the Fourth Proportional to 18,954,042.90, 28,431,064.35 and 15,174,906.90

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Solution

The fourth proportional to 18,954,042.90, 28,431,064.35 and 15,174,906.90 is: 22,762,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,042.90 : 28,431,064.35 = 15,174,906.90 : x
  2. Step 2: Convert to fraction form
    18,954,042.90/28,431,064.35 = 15,174,906.90/x
  3. Step 3: Cross multiply
    18,954,042.90x = 28,431,064.35 × 15,174,906.90
  4. Step 4: Simplify right side
    18,954,042.90x = 431,438,754,579,159.06
  5. Step 5: Solve for x
    x = 431,438,754,579,159.06/18,954,042.90
  6. Step 6: Final answer
    x = 22,762,360.35

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1.5x scale

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.