Home / 20,271,587.85-27,975,242.96-11,569,585.92

Finding the Fourth Proportional to 20,271,587.85, 27,975,242.96 and 11,569,585.92

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Solution

The fourth proportional to 20,271,587.85, 27,975,242.96 and 11,569,585.92 is: 15,966,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,587.85 : 27,975,242.96 = 11,569,585.92 : x
  2. Step 2: Convert to fraction form
    20,271,587.85/27,975,242.96 = 11,569,585.92/x
  3. Step 3: Cross multiply
    20,271,587.85x = 27,975,242.96 × 11,569,585.92
  4. Step 4: Simplify right side
    20,271,587.85x = 323,661,977,000,747.19
  5. Step 5: Solve for x
    x = 323,661,977,000,747.19/20,271,587.85
  6. Step 6: Final answer
    x = 15,966,286.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.