Home / 7,160,984.44-9,882,365.34-3,898,010.68

Finding the Fourth Proportional to 7,160,984.44, 9,882,365.34 and 3,898,010.68

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Solution

The fourth proportional to 7,160,984.44, 9,882,365.34 and 3,898,010.68 is: 5,379,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,984.44 : 9,882,365.34 = 3,898,010.68 : x
  2. Step 2: Convert to fraction form
    7,160,984.44/9,882,365.34 = 3,898,010.68/x
  3. Step 3: Cross multiply
    7,160,984.44x = 9,882,365.34 × 3,898,010.68
  4. Step 4: Simplify right side
    7,160,984.44x = 38,521,565,638,981.84
  5. Step 5: Solve for x
    x = 38,521,565,638,981.84/7,160,984.44
  6. Step 6: Final answer
    x = 5,379,367.31

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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.