Home / 28,517,485.20-42,776,227.80-9,343,618.80

Finding the Fourth Proportional to 28,517,485.20, 42,776,227.80 and 9,343,618.80

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Solution

The fourth proportional to 28,517,485.20, 42,776,227.80 and 9,343,618.80 is: 14,015,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,485.20 : 42,776,227.80 = 9,343,618.80 : x
  2. Step 2: Convert to fraction form
    28,517,485.20/42,776,227.80 = 9,343,618.80/x
  3. Step 3: Cross multiply
    28,517,485.20x = 42,776,227.80 × 9,343,618.80
  4. Step 4: Simplify right side
    28,517,485.20x = 399,684,766,265,162.62
  5. Step 5: Solve for x
    x = 399,684,766,265,162.62/28,517,485.20
  6. Step 6: Final answer
    x = 14,015,428.20

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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.