Home / 20,103,555.40-30,155,333.10-5,726,436.10

Finding the Fourth Proportional to 20,103,555.40, 30,155,333.10 and 5,726,436.10

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Solution

The fourth proportional to 20,103,555.40, 30,155,333.10 and 5,726,436.10 is: 8,589,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,555.40 : 30,155,333.10 = 5,726,436.10 : x
  2. Step 2: Convert to fraction form
    20,103,555.40/30,155,333.10 = 5,726,436.10/x
  3. Step 3: Cross multiply
    20,103,555.40x = 30,155,333.10 × 5,726,436.10
  4. Step 4: Simplify right side
    20,103,555.40x = 172,682,588,071,364.91
  5. Step 5: Solve for x
    x = 172,682,588,071,364.91/20,103,555.40
  6. Step 6: Final answer
    x = 8,589,654.15

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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.