Home / 28,850,510.31-39,813,712.80-15,619,684.59

Finding the Fourth Proportional to 28,850,510.31, 39,813,712.80 and 15,619,684.59

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Solution

The fourth proportional to 28,850,510.31, 39,813,712.80 and 15,619,684.59 is: 21,555,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850,510.31 : 39,813,712.80 = 15,619,684.59 : x
  2. Step 2: Convert to fraction form
    28,850,510.31/39,813,712.80 = 15,619,684.59/x
  3. Step 3: Cross multiply
    28,850,510.31x = 39,813,712.80 × 15,619,684.59
  4. Step 4: Simplify right side
    28,850,510.31x = 621,877,636,292,845.75
  5. Step 5: Solve for x
    x = 621,877,636,292,845.75/28,850,510.31
  6. Step 6: Final answer
    x = 21,555,169.38

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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.