Home / 20,058,542.46-27,680,012.55-10,890,975.42

Finding the Fourth Proportional to 20,058,542.46, 27,680,012.55 and 10,890,975.42

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Solution

The fourth proportional to 20,058,542.46, 27,680,012.55 and 10,890,975.42 is: 15,029,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058,542.46 : 27,680,012.55 = 10,890,975.42 : x
  2. Step 2: Convert to fraction form
    20,058,542.46/27,680,012.55 = 10,890,975.42/x
  3. Step 3: Cross multiply
    20,058,542.46x = 27,680,012.55 × 10,890,975.42
  4. Step 4: Simplify right side
    20,058,542.46x = 301,462,336,307,341.50
  5. Step 5: Solve for x
    x = 301,462,336,307,341.50/20,058,542.46
  6. Step 6: Final answer
    x = 15,029,124.72

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1.5x scale

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.