Home / 14,366,811.92-19,826,620.43-7,840,860.39

Finding the Fourth Proportional to 14,366,811.92, 19,826,620.43 and 7,840,860.39

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Solution

The fourth proportional to 14,366,811.92, 19,826,620.43 and 7,840,860.39 is: 10,820,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,811.92 : 19,826,620.43 = 7,840,860.39 : x
  2. Step 2: Convert to fraction form
    14,366,811.92/19,826,620.43 = 7,840,860.39/x
  3. Step 3: Cross multiply
    14,366,811.92x = 19,826,620.43 × 7,840,860.39
  4. Step 4: Simplify right side
    14,366,811.92x = 155,457,762,757,947.47
  5. Step 5: Solve for x
    x = 155,457,762,757,947.47/14,366,811.92
  6. Step 6: Final answer
    x = 10,820,616.55

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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.