Home / 14,366,815.40-19,826,625.24-7,840,863.92

Finding the Fourth Proportional to 14,366,815.40, 19,826,625.24 and 7,840,863.92

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Solution

The fourth proportional to 14,366,815.40, 19,826,625.24 and 7,840,863.92 is: 10,820,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,815.40 : 19,826,625.24 = 7,840,863.92 : x
  2. Step 2: Convert to fraction form
    14,366,815.40/19,826,625.24 = 7,840,863.92/x
  3. Step 3: Cross multiply
    14,366,815.40x = 19,826,625.24 × 7,840,863.92
  4. Step 4: Simplify right side
    14,366,815.40x = 155,457,870,499,677.31
  5. Step 5: Solve for x
    x = 155,457,870,499,677.31/14,366,815.40
  6. Step 6: Final answer
    x = 10,820,621.42

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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.