Home / 23,120,782.80-31,906,669.14-13,828,352.70

Finding the Fourth Proportional to 23,120,782.80, 31,906,669.14 and 13,828,352.70

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Solution

The fourth proportional to 23,120,782.80, 31,906,669.14 and 13,828,352.70 is: 19,083,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120,782.80 : 31,906,669.14 = 13,828,352.70 : x
  2. Step 2: Convert to fraction form
    23,120,782.80/31,906,669.14 = 13,828,352.70/x
  3. Step 3: Cross multiply
    23,120,782.80x = 31,906,669.14 × 13,828,352.70
  4. Step 4: Simplify right side
    23,120,782.80x = 441,216,674,350,125.69
  5. Step 5: Solve for x
    x = 441,216,674,350,125.69/23,120,782.80
  6. Step 6: Final answer
    x = 19,083,120.07

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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.