Home / 31,091,837.31-46,643,733.77-11,921,099.22

Finding the Fourth Proportional to 31,091,837.31, 46,643,733.77 and 11,921,099.22

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Solution

The fourth proportional to 31,091,837.31, 46,643,733.77 and 11,921,099.22 is: 17,883,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,837.31 : 46,643,733.77 = 11,921,099.22 : x
  2. Step 2: Convert to fraction form
    31,091,837.31/46,643,733.77 = 11,921,099.22/x
  3. Step 3: Cross multiply
    31,091,837.31x = 46,643,733.77 × 11,921,099.22
  4. Step 4: Simplify right side
    31,091,837.31x = 556,044,578,203,829.19
  5. Step 5: Solve for x
    x = 556,044,578,203,829.19/31,091,837.31
  6. Step 6: Final answer
    x = 17,883,940.81

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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.