Home / 20,841,516.41-28,761,461.55-11,549,241.72

Finding the Fourth Proportional to 20,841,516.41, 28,761,461.55 and 11,549,241.72

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Solution

The fourth proportional to 20,841,516.41, 28,761,461.55 and 11,549,241.72 is: 15,938,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,516.41 : 28,761,461.55 = 11,549,241.72 : x
  2. Step 2: Convert to fraction form
    20,841,516.41/28,761,461.55 = 11,549,241.72/x
  3. Step 3: Cross multiply
    20,841,516.41x = 28,761,461.55 × 11,549,241.72
  4. Step 4: Simplify right side
    20,841,516.41x = 332,173,071,661,435.88
  5. Step 5: Solve for x
    x = 332,173,071,661,435.88/20,841,516.41
  6. Step 6: Final answer
    x = 15,938,047.18

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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.