Home / 28,006,560.20-42,009,840.30-8,839,254.80

Finding the Fourth Proportional to 28,006,560.20, 42,009,840.30 and 8,839,254.80

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Solution

The fourth proportional to 28,006,560.20, 42,009,840.30 and 8,839,254.80 is: 13,258,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,560.20 : 42,009,840.30 = 8,839,254.80 : x
  2. Step 2: Convert to fraction form
    28,006,560.20/42,009,840.30 = 8,839,254.80/x
  3. Step 3: Cross multiply
    28,006,560.20x = 42,009,840.30 × 8,839,254.80
  4. Step 4: Simplify right side
    28,006,560.20x = 371,335,682,519,008.44
  5. Step 5: Solve for x
    x = 371,335,682,519,008.44/28,006,560.20
  6. Step 6: Final answer
    x = 13,258,882.20

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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.