Home / 9,431,134.75-13,014,966.09-5,138,782.75

Finding the Fourth Proportional to 9,431,134.75, 13,014,966.09 and 5,138,782.75

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Solution

The fourth proportional to 9,431,134.75, 13,014,966.09 and 5,138,782.75 is: 7,091,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,134.75 : 13,014,966.09 = 5,138,782.75 : x
  2. Step 2: Convert to fraction form
    9,431,134.75/13,014,966.09 = 5,138,782.75/x
  3. Step 3: Cross multiply
    9,431,134.75x = 13,014,966.09 × 5,138,782.75
  4. Step 4: Simplify right side
    9,431,134.75x = 66,881,083,235,126.95
  5. Step 5: Solve for x
    x = 66,881,083,235,126.95/9,431,134.75
  6. Step 6: Final answer
    x = 7,091,520.27

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Double scale
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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.