Home / 10,686,953.30-15,992,589.38-6,645,344.49

Finding the Fourth Proportional to 10,686,953.30, 15,992,589.38 and 6,645,344.49

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Solution

The fourth proportional to 10,686,953.30, 15,992,589.38 and 6,645,344.49 is: 9,944,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,953.30 : 15,992,589.38 = 6,645,344.49 : x
  2. Step 2: Convert to fraction form
    10,686,953.30/15,992,589.38 = 6,645,344.49/x
  3. Step 3: Cross multiply
    10,686,953.30x = 15,992,589.38 × 6,645,344.49
  4. Step 4: Simplify right side
    10,686,953.30x = 106,276,265,683,988.80
  5. Step 5: Solve for x
    x = 106,276,265,683,988.80/10,686,953.30
  6. Step 6: Final answer
    x = 9,944,486.77

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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.