Home / 8,614,469.15-11,888,047.14-4,747,128.71

Finding the Fourth Proportional to 8,614,469.15, 11,888,047.14 and 4,747,128.71

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Solution

The fourth proportional to 8,614,469.15, 11,888,047.14 and 4,747,128.71 is: 6,551,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614,469.15 : 11,888,047.14 = 4,747,128.71 : x
  2. Step 2: Convert to fraction form
    8,614,469.15/11,888,047.14 = 4,747,128.71/x
  3. Step 3: Cross multiply
    8,614,469.15x = 11,888,047.14 × 4,747,128.71
  4. Step 4: Simplify right side
    8,614,469.15x = 56,434,089,884,127.39
  5. Step 5: Solve for x
    x = 56,434,089,884,127.39/8,614,469.15
  6. Step 6: Final answer
    x = 6,551,081.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.