Home / 7,218,789.48-10,823,987.10-2,731,411.56

Finding the Fourth Proportional to 7,218,789.48, 10,823,987.10 and 2,731,411.56

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Solution

The fourth proportional to 7,218,789.48, 10,823,987.10 and 2,731,411.56 is: 4,095,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,789.48 : 10,823,987.10 = 2,731,411.56 : x
  2. Step 2: Convert to fraction form
    7,218,789.48/10,823,987.10 = 2,731,411.56/x
  3. Step 3: Cross multiply
    7,218,789.48x = 10,823,987.10 × 2,731,411.56
  4. Step 4: Simplify right side
    7,218,789.48x = 29,564,763,490,230.88
  5. Step 5: Solve for x
    x = 29,564,763,490,230.88/7,218,789.48
  6. Step 6: Final answer
    x = 4,095,529.25

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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.