Home / 9,134,128.38-12,605,092.78-5,463,044.88

Finding the Fourth Proportional to 9,134,128.38, 12,605,092.78 and 5,463,044.88

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Solution

The fourth proportional to 9,134,128.38, 12,605,092.78 and 5,463,044.88 is: 7,538,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134,128.38 : 12,605,092.78 = 5,463,044.88 : x
  2. Step 2: Convert to fraction form
    9,134,128.38/12,605,092.78 = 5,463,044.88/x
  3. Step 3: Cross multiply
    9,134,128.38x = 12,605,092.78 × 5,463,044.88
  4. Step 4: Simplify right side
    9,134,128.38x = 68,862,187,573,703.96
  5. Step 5: Solve for x
    x = 68,862,187,573,703.96/9,134,128.38
  6. Step 6: Final answer
    x = 7,538,999.31

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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.