Home / 13,134,957.50-18,126,069.67-7,333,837.98

Finding the Fourth Proportional to 13,134,957.50, 18,126,069.67 and 7,333,837.98

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Solution

The fourth proportional to 13,134,957.50, 18,126,069.67 and 7,333,837.98 is: 10,120,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,957.50 : 18,126,069.67 = 7,333,837.98 : x
  2. Step 2: Convert to fraction form
    13,134,957.50/18,126,069.67 = 7,333,837.98/x
  3. Step 3: Cross multiply
    13,134,957.50x = 18,126,069.67 × 7,333,837.98
  4. Step 4: Simplify right side
    13,134,957.50x = 132,933,658,173,972.09
  5. Step 5: Solve for x
    x = 132,933,658,173,972.09/13,134,957.50
  6. Step 6: Final answer
    x = 10,120,600.56

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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.