Home / 28,125,364.35-42,192,089.28-8,696,105.56

Finding the Fourth Proportional to 28,125,364.35, 42,192,089.28 and 8,696,105.56

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Solution

The fourth proportional to 28,125,364.35, 42,192,089.28 and 8,696,105.56 is: 13,045,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,364.35 : 42,192,089.28 = 8,696,105.56 : x
  2. Step 2: Convert to fraction form
    28,125,364.35/42,192,089.28 = 8,696,105.56/x
  3. Step 3: Cross multiply
    28,125,364.35x = 42,192,089.28 × 8,696,105.56
  4. Step 4: Simplify right side
    28,125,364.35x = 366,906,862,175,824.44
  5. Step 5: Solve for x
    x = 366,906,862,175,824.44/28,125,364.35
  6. Step 6: Final answer
    x = 13,045,408.32

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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.