Home / 9,134,128.66-12,605,093.19-5,463,045.16

Finding the Fourth Proportional to 9,134,128.66, 12,605,093.19 and 5,463,045.16

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Solution

The fourth proportional to 9,134,128.66, 12,605,093.19 and 5,463,045.16 is: 7,538,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134,128.66 : 12,605,093.19 = 5,463,045.16 : x
  2. Step 2: Convert to fraction form
    9,134,128.66/12,605,093.19 = 5,463,045.16/x
  3. Step 3: Cross multiply
    9,134,128.66x = 12,605,093.19 × 5,463,045.16
  4. Step 4: Simplify right side
    9,134,128.66x = 68,862,193,342,978.46
  5. Step 5: Solve for x
    x = 68,862,193,342,978.46/9,134,128.66
  6. Step 6: Final answer
    x = 7,538,999.71

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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.