Home / 20,841,517.41-28,761,462.93-11,549,242.72

Finding the Fourth Proportional to 20,841,517.41, 28,761,462.93 and 11,549,242.72

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Solution

The fourth proportional to 20,841,517.41, 28,761,462.93 and 11,549,242.72 is: 15,938,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,517.41 : 28,761,462.93 = 11,549,242.72 : x
  2. Step 2: Convert to fraction form
    20,841,517.41/28,761,462.93 = 11,549,242.72/x
  3. Step 3: Cross multiply
    20,841,517.41x = 28,761,462.93 × 11,549,242.72
  4. Step 4: Simplify right side
    20,841,517.41x = 332,173,116,360,852.38
  5. Step 5: Solve for x
    x = 332,173,116,360,852.38/20,841,517.41
  6. Step 6: Final answer
    x = 15,938,048.55

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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.