Home / 38,218,758.36-52,746,634.56-21,704,187.72

Finding the Fourth Proportional to 38,218,758.36, 52,746,634.56 and 21,704,187.72

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Solution

The fourth proportional to 38,218,758.36, 52,746,634.56 and 21,704,187.72 is: 29,954,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218,758.36 : 52,746,634.56 = 21,704,187.72 : x
  2. Step 2: Convert to fraction form
    38,218,758.36/52,746,634.56 = 21,704,187.72/x
  3. Step 3: Cross multiply
    38,218,758.36x = 52,746,634.56 × 21,704,187.72
  4. Step 4: Simplify right side
    38,218,758.36x = 1,144,822,858,088,479.50
  5. Step 5: Solve for x
    x = 1,144,822,858,088,479.50/38,218,758.36
  6. Step 6: Final answer
    x = 29,954,475.43

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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.