Home / 28,884,045.80-43,315,571.10-9,715,428.20

Finding the Fourth Proportional to 28,884,045.80, 43,315,571.10 and 9,715,428.20

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Solution

The fourth proportional to 28,884,045.80, 43,315,571.10 and 9,715,428.20 is: 14,569,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884,045.80 : 43,315,571.10 = 9,715,428.20 : x
  2. Step 2: Convert to fraction form
    28,884,045.80/43,315,571.10 = 9,715,428.20/x
  3. Step 3: Cross multiply
    28,884,045.80x = 43,315,571.10 × 9,715,428.20
  4. Step 4: Simplify right side
    28,884,045.80x = 420,829,320,964,045
  5. Step 5: Solve for x
    x = 420,829,320,964,045/28,884,045.80
  6. Step 6: Final answer
    x = 14,569,611.33

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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.