Home / 31,391,942.66-47,089,390.20-9,827,247.86

Finding the Fourth Proportional to 31,391,942.66, 47,089,390.20 and 9,827,247.86

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Solution

The fourth proportional to 31,391,942.66, 47,089,390.20 and 9,827,247.86 is: 14,741,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391,942.66 : 47,089,390.20 = 9,827,247.86 : x
  2. Step 2: Convert to fraction form
    31,391,942.66/47,089,390.20 = 9,827,247.86/x
  3. Step 3: Cross multiply
    31,391,942.66x = 47,089,390.20 × 9,827,247.86
  4. Step 4: Simplify right side
    31,391,942.66x = 462,759,109,071,655
  5. Step 5: Solve for x
    x = 462,759,109,071,655/31,391,942.66
  6. Step 6: Final answer
    x = 14,741,333.92

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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.