Home / 9,121,257.78-13,679,071.26-2,644,810.51

Finding the Fourth Proportional to 9,121,257.78, 13,679,071.26 and 2,644,810.51

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Solution

The fourth proportional to 9,121,257.78, 13,679,071.26 and 2,644,810.51 is: 3,966,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,257.78 : 13,679,071.26 = 2,644,810.51 : x
  2. Step 2: Convert to fraction form
    9,121,257.78/13,679,071.26 = 2,644,810.51/x
  3. Step 3: Cross multiply
    9,121,257.78x = 13,679,071.26 × 2,644,810.51
  4. Step 4: Simplify right side
    9,121,257.78x = 36,178,551,435,486.94
  5. Step 5: Solve for x
    x = 36,178,551,435,486.94/9,121,257.78
  6. Step 6: Final answer
    x = 3,966,399.41

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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.