Home / 23,111,382.16-31,893,655.80-13,321,761.52

Finding the Fourth Proportional to 23,111,382.16, 31,893,655.80 and 13,321,761.52

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Solution

The fourth proportional to 23,111,382.16, 31,893,655.80 and 13,321,761.52 is: 18,384,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111,382.16 : 31,893,655.80 = 13,321,761.52 : x
  2. Step 2: Convert to fraction form
    23,111,382.16/31,893,655.80 = 13,321,761.52/x
  3. Step 3: Cross multiply
    23,111,382.16x = 31,893,655.80 × 13,321,761.52
  4. Step 4: Simplify right side
    23,111,382.16x = 424,879,676,568,564.81
  5. Step 5: Solve for x
    x = 424,879,676,568,564.81/23,111,382.16
  6. Step 6: Final answer
    x = 18,384,001.17

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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.