Home / 28,083,040.20-42,124,560.30-12,966,496.20

Finding the Fourth Proportional to 28,083,040.20, 42,124,560.30 and 12,966,496.20

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Solution

The fourth proportional to 28,083,040.20, 42,124,560.30 and 12,966,496.20 is: 19,449,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,040.20 : 42,124,560.30 = 12,966,496.20 : x
  2. Step 2: Convert to fraction form
    28,083,040.20/42,124,560.30 = 12,966,496.20/x
  3. Step 3: Cross multiply
    28,083,040.20x = 42,124,560.30 × 12,966,496.20
  4. Step 4: Simplify right side
    28,083,040.20x = 546,207,951,056,620.81
  5. Step 5: Solve for x
    x = 546,207,951,056,620.81/28,083,040.20
  6. Step 6: Final answer
    x = 19,449,744.30

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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.