Home / 28,517,511.20-42,776,266.80-9,343,644.80

Finding the Fourth Proportional to 28,517,511.20, 42,776,266.80 and 9,343,644.80

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Solution

The fourth proportional to 28,517,511.20, 42,776,266.80 and 9,343,644.80 is: 14,015,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,511.20 : 42,776,266.80 = 9,343,644.80 : x
  2. Step 2: Convert to fraction form
    28,517,511.20/42,776,266.80 = 9,343,644.80/x
  3. Step 3: Cross multiply
    28,517,511.20x = 42,776,266.80 × 9,343,644.80
  4. Step 4: Simplify right side
    28,517,511.20x = 399,686,242,849,232.62
  5. Step 5: Solve for x
    x = 399,686,242,849,232.62/28,517,511.20
  6. Step 6: Final answer
    x = 14,015,467.20

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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.