Home / 16,949,148.92-25,434,920.82-7,974,400.76

Finding the Fourth Proportional to 16,949,148.92, 25,434,920.82 and 7,974,400.76

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Solution

The fourth proportional to 16,949,148.92, 25,434,920.82 and 7,974,400.76 is: 11,966,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949,148.92 : 25,434,920.82 = 7,974,400.76 : x
  2. Step 2: Convert to fraction form
    16,949,148.92/25,434,920.82 = 7,974,400.76/x
  3. Step 3: Cross multiply
    16,949,148.92x = 25,434,920.82 × 7,974,400.76
  4. Step 4: Simplify right side
    16,949,148.92x = 202,828,251,917,547.81
  5. Step 5: Solve for x
    x = 202,828,251,917,547.81/16,949,148.92
  6. Step 6: Final answer
    x = 11,966,869.42

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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.