Home / 20,231,031.70-30,346,547.55-6,585,463.90

Finding the Fourth Proportional to 20,231,031.70, 30,346,547.55 and 6,585,463.90

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Solution

The fourth proportional to 20,231,031.70, 30,346,547.55 and 6,585,463.90 is: 9,878,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,031.70 : 30,346,547.55 = 6,585,463.90 : x
  2. Step 2: Convert to fraction form
    20,231,031.70/30,346,547.55 = 6,585,463.90/x
  3. Step 3: Cross multiply
    20,231,031.70x = 30,346,547.55 × 6,585,463.90
  4. Step 4: Simplify right side
    20,231,031.70x = 199,846,093,380,158.47
  5. Step 5: Solve for x
    x = 199,846,093,380,158.47/20,231,031.70
  6. Step 6: Final answer
    x = 9,878,195.85

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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.