Home / 28,351,660.80-42,527,491.20-16,208,659.20

Finding the Fourth Proportional to 28,351,660.80, 42,527,491.20 and 16,208,659.20

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Solution

The fourth proportional to 28,351,660.80, 42,527,491.20 and 16,208,659.20 is: 24,312,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351,660.80 : 42,527,491.20 = 16,208,659.20 : x
  2. Step 2: Convert to fraction form
    28,351,660.80/42,527,491.20 = 16,208,659.20/x
  3. Step 3: Cross multiply
    28,351,660.80x = 42,527,491.20 × 16,208,659.20
  4. Step 4: Simplify right side
    28,351,660.80x = 689,313,611,491,799
  5. Step 5: Solve for x
    x = 689,313,611,491,799/28,351,660.80
  6. Step 6: Final answer
    x = 24,312,988.80

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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.