Home / 10,676,877.20-16,015,315.80-10,577,344.40

Finding the Fourth Proportional to 10,676,877.20, 16,015,315.80 and 10,577,344.40

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Solution

The fourth proportional to 10,676,877.20, 16,015,315.80 and 10,577,344.40 is: 15,866,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676,877.20 : 16,015,315.80 = 10,577,344.40 : x
  2. Step 2: Convert to fraction form
    10,676,877.20/16,015,315.80 = 10,577,344.40/x
  3. Step 3: Cross multiply
    10,676,877.20x = 16,015,315.80 × 10,577,344.40
  4. Step 4: Simplify right side
    10,676,877.20x = 169,399,510,891,361.53
  5. Step 5: Solve for x
    x = 169,399,510,891,361.53/10,676,877.20
  6. Step 6: Final answer
    x = 15,866,016.60

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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.