Home / 23,120,772.69-31,906,655.20-13,828,342.59

Finding the Fourth Proportional to 23,120,772.69, 31,906,655.20 and 13,828,342.59

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Solution

The fourth proportional to 23,120,772.69, 31,906,655.20 and 13,828,342.59 is: 19,083,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120,772.69 : 31,906,655.20 = 13,828,342.59 : x
  2. Step 2: Convert to fraction form
    23,120,772.69/31,906,655.20 = 13,828,342.59/x
  3. Step 3: Cross multiply
    23,120,772.69x = 31,906,655.20 × 13,828,342.59
  4. Step 4: Simplify right side
    23,120,772.69x = 441,216,159,006,604.94
  5. Step 5: Solve for x
    x = 441,216,159,006,604.94/23,120,772.69
  6. Step 6: Final answer
    x = 19,083,106.13

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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.