Home / 28,125,384.39-42,192,119.34-8,696,125.62

Finding the Fourth Proportional to 28,125,384.39, 42,192,119.34 and 8,696,125.62

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Solution

The fourth proportional to 28,125,384.39, 42,192,119.34 and 8,696,125.62 is: 13,045,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,384.39 : 42,192,119.34 = 8,696,125.62 : x
  2. Step 2: Convert to fraction form
    28,125,384.39/42,192,119.34 = 8,696,125.62/x
  3. Step 3: Cross multiply
    28,125,384.39x = 42,192,119.34 × 8,696,125.62
  4. Step 4: Simplify right side
    28,125,384.39x = 366,907,969,954,671.50
  5. Step 5: Solve for x
    x = 366,907,969,954,671.50/28,125,384.39
  6. Step 6: Final answer
    x = 13,045,438.41

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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.