Home / 20,229,871.70-30,344,807.55-20,088,154.10

Finding the Fourth Proportional to 20,229,871.70, 30,344,807.55 and 20,088,154.10

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Solution

The fourth proportional to 20,229,871.70, 30,344,807.55 and 20,088,154.10 is: 30,132,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,871.70 : 30,344,807.55 = 20,088,154.10 : x
  2. Step 2: Convert to fraction form
    20,229,871.70/30,344,807.55 = 20,088,154.10/x
  3. Step 3: Cross multiply
    20,229,871.70x = 30,344,807.55 × 20,088,154.10
  4. Step 4: Simplify right side
    20,229,871.70x = 609,571,170,199,243.50
  5. Step 5: Solve for x
    x = 609,571,170,199,243.50/20,229,871.70
  6. Step 6: Final answer
    x = 30,132,231.15

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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.