Home / 20,632,727.40-30,949,091.10-10,429,060.20

Finding the Fourth Proportional to 20,632,727.40, 30,949,091.10 and 10,429,060.20

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Solution

The fourth proportional to 20,632,727.40, 30,949,091.10 and 10,429,060.20 is: 15,643,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632,727.40 : 30,949,091.10 = 10,429,060.20 : x
  2. Step 2: Convert to fraction form
    20,632,727.40/30,949,091.10 = 10,429,060.20/x
  3. Step 3: Cross multiply
    20,632,727.40x = 30,949,091.10 × 10,429,060.20
  4. Step 4: Simplify right side
    20,632,727.40x = 322,769,934,217,184.19
  5. Step 5: Solve for x
    x = 322,769,934,217,184.19/20,632,727.40
  6. Step 6: Final answer
    x = 15,643,590.30

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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.