Home / 20,433,490.24-30,636,062.16-10,855,595.20

Finding the Fourth Proportional to 20,433,490.24, 30,636,062.16 and 10,855,595.20

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Solution

The fourth proportional to 20,433,490.24, 30,636,062.16 and 10,855,595.20 is: 16,275,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,490.24 : 30,636,062.16 = 10,855,595.20 : x
  2. Step 2: Convert to fraction form
    20,433,490.24/30,636,062.16 = 10,855,595.20/x
  3. Step 3: Cross multiply
    20,433,490.24x = 30,636,062.16 × 10,855,595.20
  4. Step 4: Simplify right side
    20,433,490.24x = 332,572,689,330,997.62
  5. Step 5: Solve for x
    x = 332,572,689,330,997.62/20,433,490.24
  6. Step 6: Final answer
    x = 16,275,863.08

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1.5x scale

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.