Home / 7,643,019.79-11,471,712.51-4,002,362.80

Finding the Fourth Proportional to 7,643,019.79, 11,471,712.51 and 4,002,362.80

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Solution

The fourth proportional to 7,643,019.79, 11,471,712.51 and 4,002,362.80 is: 6,007,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,019.79 : 11,471,712.51 = 4,002,362.80 : x
  2. Step 2: Convert to fraction form
    7,643,019.79/11,471,712.51 = 4,002,362.80/x
  3. Step 3: Cross multiply
    7,643,019.79x = 11,471,712.51 × 4,002,362.80
  4. Step 4: Simplify right side
    7,643,019.79x = 45,913,955,366,134.91
  5. Step 5: Solve for x
    x = 45,913,955,366,134.91/7,643,019.79
  6. Step 6: Final answer
    x = 6,007,305.57

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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.