Home / 20,104,513.81-30,151,788.46-5,727,706.16

Finding the Fourth Proportional to 20,104,513.81, 30,151,788.46 and 5,727,706.16

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Solution

The fourth proportional to 20,104,513.81, 30,151,788.46 and 5,727,706.16 is: 8,590,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,513.81 : 30,151,788.46 = 5,727,706.16 : x
  2. Step 2: Convert to fraction form
    20,104,513.81/30,151,788.46 = 5,727,706.16/x
  3. Step 3: Cross multiply
    20,104,513.81x = 30,151,788.46 × 5,727,706.16
  4. Step 4: Simplify right side
    20,104,513.81x = 172,700,584,332,280.72
  5. Step 5: Solve for x
    x = 172,700,584,332,280.72/20,104,513.81
  6. Step 6: Final answer
    x = 8,590,139.81

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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.