Home / 28,124,418.34-38,813,204.26-15,733,772.61

Finding the Fourth Proportional to 28,124,418.34, 38,813,204.26 and 15,733,772.61

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Solution

The fourth proportional to 28,124,418.34, 38,813,204.26 and 15,733,772.61 is: 21,713,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,418.34 : 38,813,204.26 = 15,733,772.61 : x
  2. Step 2: Convert to fraction form
    28,124,418.34/38,813,204.26 = 15,733,772.61/x
  3. Step 3: Cross multiply
    28,124,418.34x = 38,813,204.26 × 15,733,772.61
  4. Step 4: Simplify right side
    28,124,418.34x = 610,678,130,092,323.25
  5. Step 5: Solve for x
    x = 610,678,130,092,323.25/28,124,418.34
  6. Step 6: Final answer
    x = 21,713,449.24

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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.