Home / 38,625,748.88-53,350,689.84-28,879,416.20

Finding the Fourth Proportional to 38,625,748.88, 53,350,689.84 and 28,879,416.20

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Solution

The fourth proportional to 38,625,748.88, 53,350,689.84 and 28,879,416.20 is: 39,888,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,625,748.88 : 53,350,689.84 = 28,879,416.20 : x
  2. Step 2: Convert to fraction form
    38,625,748.88/53,350,689.84 = 28,879,416.20/x
  3. Step 3: Cross multiply
    38,625,748.88x = 53,350,689.84 × 28,879,416.20
  4. Step 4: Simplify right side
    38,625,748.88x = 1,540,736,776,446,471.50
  5. Step 5: Solve for x
    x = 1,540,736,776,446,471.50/38,625,748.88
  6. Step 6: Final answer
    x = 39,888,851.90

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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.