Home / 12,947,718-19,422,510.12-4,969,542

Finding the Fourth Proportional to 12,947,718, 19,422,510.12 and 4,969,542

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Solution

The fourth proportional to 12,947,718, 19,422,510.12 and 4,969,542 is: 7,454,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,718 : 19,422,510.12 = 4,969,542 : x
  2. Step 2: Convert to fraction form
    12,947,718/19,422,510.12 = 4,969,542/x
  3. Step 3: Cross multiply
    12,947,718x = 19,422,510.12 × 4,969,542
  4. Step 4: Simplify right side
    12,947,718x = 96,520,979,786,765.05
  5. Step 5: Solve for x
    x = 96,520,979,786,765.05/12,947,718
  6. Step 6: Final answer
    x = 7,454,671.15

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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.