Home / 21,290,048.65-31,934,613.39-5,936,929.38

Finding the Fourth Proportional to 21,290,048.65, 31,934,613.39 and 5,936,929.38

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Solution

The fourth proportional to 21,290,048.65, 31,934,613.39 and 5,936,929.38 is: 8,905,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,048.65 : 31,934,613.39 = 5,936,929.38 : x
  2. Step 2: Convert to fraction form
    21,290,048.65/31,934,613.39 = 5,936,929.38/x
  3. Step 3: Cross multiply
    21,290,048.65x = 31,934,613.39 × 5,936,929.38
  4. Step 4: Simplify right side
    21,290,048.65x = 189,593,544,474,032.41
  5. Step 5: Solve for x
    x = 189,593,544,474,032.41/21,290,048.65
  6. Step 6: Final answer
    x = 8,905,265.91

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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.