Home / 10,472,180.40-15,708,270.60-7,243,676.33

Finding the Fourth Proportional to 10,472,180.40, 15,708,270.60 and 7,243,676.33

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Solution

The fourth proportional to 10,472,180.40, 15,708,270.60 and 7,243,676.33 is: 10,865,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472,180.40 : 15,708,270.60 = 7,243,676.33 : x
  2. Step 2: Convert to fraction form
    10,472,180.40/15,708,270.60 = 7,243,676.33/x
  3. Step 3: Cross multiply
    10,472,180.40x = 15,708,270.60 × 7,243,676.33
  4. Step 4: Simplify right side
    10,472,180.40x = 113,785,627,851,913.55
  5. Step 5: Solve for x
    x = 113,785,627,851,913.55/10,472,180.40
  6. Step 6: Final answer
    x = 10,865,514.49

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Similar ratio
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1.5x scale

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.