Home / 10,780,315.80-16,170,732.90-3,207,528.60

Finding the Fourth Proportional to 10,780,315.80, 16,170,732.90 and 3,207,528.60

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Solution

The fourth proportional to 10,780,315.80, 16,170,732.90 and 3,207,528.60 is: 4,811,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,315.80 : 16,170,732.90 = 3,207,528.60 : x
  2. Step 2: Convert to fraction form
    10,780,315.80/16,170,732.90 = 3,207,528.60/x
  3. Step 3: Cross multiply
    10,780,315.80x = 16,170,732.90 × 3,207,528.60
  4. Step 4: Simplify right side
    10,780,315.80x = 51,868,088,259,710.95
  5. Step 5: Solve for x
    x = 51,868,088,259,710.95/10,780,315.80
  6. Step 6: Final answer
    x = 4,811,370.02

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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.