Home / 15,364,933.92-21,142,414.80-14,897,440.80

Finding the Fourth Proportional to 15,364,933.92, 21,142,414.80 and 14,897,440.80

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Solution

The fourth proportional to 15,364,933.92, 21,142,414.80 and 14,897,440.80 is: 20,499,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364,933.92 : 21,142,414.80 = 14,897,440.80 : x
  2. Step 2: Convert to fraction form
    15,364,933.92/21,142,414.80 = 14,897,440.80/x
  3. Step 3: Cross multiply
    15,364,933.92x = 21,142,414.80 × 14,897,440.80
  4. Step 4: Simplify right side
    15,364,933.92x = 314,967,872,852,043.88
  5. Step 5: Solve for x
    x = 314,967,872,852,043.88/15,364,933.92
  6. Step 6: Final answer
    x = 20,499,136.18

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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.