Home / 31,503,821.10-47,184,872.85-18,749,237.10

Finding the Fourth Proportional to 31,503,821.10, 47,184,872.85 and 18,749,237.10

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Solution

The fourth proportional to 31,503,821.10, 47,184,872.85 and 18,749,237.10 is: 28,081,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,821.10 : 47,184,872.85 = 18,749,237.10 : x
  2. Step 2: Convert to fraction form
    31,503,821.10/47,184,872.85 = 18,749,237.10/x
  3. Step 3: Cross multiply
    31,503,821.10x = 47,184,872.85 × 18,749,237.10
  4. Step 4: Simplify right side
    31,503,821.10x = 884,680,368,598,002.88
  5. Step 5: Solve for x
    x = 884,680,368,598,002.88/31,503,821.10
  6. Step 6: Final answer
    x = 28,081,684.62

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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.