Home / 12,015,855.43-16,581,809.52-6,509,335.23

Finding the Fourth Proportional to 12,015,855.43, 16,581,809.52 and 6,509,335.23

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Solution

The fourth proportional to 12,015,855.43, 16,581,809.52 and 6,509,335.23 is: 8,982,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,855.43 : 16,581,809.52 = 6,509,335.23 : x
  2. Step 2: Convert to fraction form
    12,015,855.43/16,581,809.52 = 6,509,335.23/x
  3. Step 3: Cross multiply
    12,015,855.43x = 16,581,809.52 × 6,509,335.23
  4. Step 4: Simplify right side
    12,015,855.43x = 107,936,556,885,685.39
  5. Step 5: Solve for x
    x = 107,936,556,885,685.39/12,015,855.43
  6. Step 6: Final answer
    x = 8,982,844.17

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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.