Home / 31,389,377.91-47,085,129.04-10,919,274.33

Finding the Fourth Proportional to 31,389,377.91, 47,085,129.04 and 10,919,274.33

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Solution

The fourth proportional to 31,389,377.91, 47,085,129.04 and 10,919,274.33 is: 16,379,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389,377.91 : 47,085,129.04 = 10,919,274.33 : x
  2. Step 2: Convert to fraction form
    31,389,377.91/47,085,129.04 = 10,919,274.33/x
  3. Step 3: Cross multiply
    31,389,377.91x = 47,085,129.04 × 10,919,274.33
  4. Step 4: Simplify right side
    31,389,377.91x = 514,135,440,888,539.94
  5. Step 5: Solve for x
    x = 514,135,440,888,539.94/31,389,377.91
  6. Step 6: Final answer
    x = 16,379,280.99

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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.