Home / 9,215,453.88-12,717,331.76-5,141,072.88

Finding the Fourth Proportional to 9,215,453.88, 12,717,331.76 and 5,141,072.88

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Solution

The fourth proportional to 9,215,453.88, 12,717,331.76 and 5,141,072.88 is: 7,094,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,453.88 : 12,717,331.76 = 5,141,072.88 : x
  2. Step 2: Convert to fraction form
    9,215,453.88/12,717,331.76 = 5,141,072.88/x
  3. Step 3: Cross multiply
    9,215,453.88x = 12,717,331.76 × 5,141,072.88
  4. Step 4: Simplify right side
    9,215,453.88x = 65,380,729,430,151.34
  5. Step 5: Solve for x
    x = 65,380,729,430,151.34/9,215,453.88
  6. Step 6: Final answer
    x = 7,094,683.59

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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.