Home / 12,937,400.80-19,410,766.80-5,366,687.20

Finding the Fourth Proportional to 12,937,400.80, 19,410,766.80 and 5,366,687.20

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Solution

The fourth proportional to 12,937,400.80, 19,410,766.80 and 5,366,687.20 is: 8,051,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,400.80 : 19,410,766.80 = 5,366,687.20 : x
  2. Step 2: Convert to fraction form
    12,937,400.80/19,410,766.80 = 5,366,687.20/x
  3. Step 3: Cross multiply
    12,937,400.80x = 19,410,766.80 × 5,366,687.20
  4. Step 4: Simplify right side
    12,937,400.80x = 104,171,513,727,744.97
  5. Step 5: Solve for x
    x = 104,171,513,727,744.97/12,937,400.80
  6. Step 6: Final answer
    x = 8,051,966.18

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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.