Home / 10,861,970.80-16,302,141.60-4,476,805.60

Finding the Fourth Proportional to 10,861,970.80, 16,302,141.60 and 4,476,805.60

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Solution

The fourth proportional to 10,861,970.80, 16,302,141.60 and 4,476,805.60 is: 6,718,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,970.80 : 16,302,141.60 = 4,476,805.60 : x
  2. Step 2: Convert to fraction form
    10,861,970.80/16,302,141.60 = 4,476,805.60/x
  3. Step 3: Cross multiply
    10,861,970.80x = 16,302,141.60 × 4,476,805.60
  4. Step 4: Simplify right side
    10,861,970.80x = 72,981,518,806,872.95
  5. Step 5: Solve for x
    x = 72,981,518,806,872.95/10,861,970.80
  6. Step 6: Final answer
    x = 6,718,994.20

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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.