Home / 14,454,513.10-19,947,256.59-7,928,195.68

Finding the Fourth Proportional to 14,454,513.10, 19,947,256.59 and 7,928,195.68

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Solution

The fourth proportional to 14,454,513.10, 19,947,256.59 and 7,928,195.68 is: 10,940,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454,513.10 : 19,947,256.59 = 7,928,195.68 : x
  2. Step 2: Convert to fraction form
    14,454,513.10/19,947,256.59 = 7,928,195.68/x
  3. Step 3: Cross multiply
    14,454,513.10x = 19,947,256.59 × 7,928,195.68
  4. Step 4: Simplify right side
    14,454,513.10x = 158,145,753,524,689.53
  5. Step 5: Solve for x
    x = 158,145,753,524,689.53/14,454,513.10
  6. Step 6: Final answer
    x = 10,940,925.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.