Home / 21,290,047.65-31,934,611.89-5,936,928.38

Finding the Fourth Proportional to 21,290,047.65, 31,934,611.89 and 5,936,928.38

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Solution

The fourth proportional to 21,290,047.65, 31,934,611.89 and 5,936,928.38 is: 8,905,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,047.65 : 31,934,611.89 = 5,936,928.38 : x
  2. Step 2: Convert to fraction form
    21,290,047.65/31,934,611.89 = 5,936,928.38/x
  3. Step 3: Cross multiply
    21,290,047.65x = 31,934,611.89 × 5,936,928.38
  4. Step 4: Simplify right side
    21,290,047.65x = 189,593,503,474,353.38
  5. Step 5: Solve for x
    x = 189,593,503,474,353.38/21,290,047.65
  6. Step 6: Final answer
    x = 8,905,264.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.