Home / 28,071,601.20-38,736,281.94-15,680,611.44

Finding the Fourth Proportional to 28,071,601.20, 38,736,281.94 and 15,680,611.44

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Solution

The fourth proportional to 28,071,601.20, 38,736,281.94 and 15,680,611.44 is: 21,637,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071,601.20 : 38,736,281.94 = 15,680,611.44 : x
  2. Step 2: Convert to fraction form
    28,071,601.20/38,736,281.94 = 15,680,611.44/x
  3. Step 3: Cross multiply
    28,071,601.20x = 38,736,281.94 × 15,680,611.44
  4. Step 4: Simplify right side
    28,071,601.20x = 607,408,585,731,429.38
  5. Step 5: Solve for x
    x = 607,408,585,731,429.38/28,071,601.20
  6. Step 6: Final answer
    x = 21,637,831.82

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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.