Home / 10,122,542.88-13,969,109.18-5,538,864.25

Finding the Fourth Proportional to 10,122,542.88, 13,969,109.18 and 5,538,864.25

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Solution

The fourth proportional to 10,122,542.88, 13,969,109.18 and 5,538,864.25 is: 7,643,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,542.88 : 13,969,109.18 = 5,538,864.25 : x
  2. Step 2: Convert to fraction form
    10,122,542.88/13,969,109.18 = 5,538,864.25/x
  3. Step 3: Cross multiply
    10,122,542.88x = 13,969,109.18 × 5,538,864.25
  4. Step 4: Simplify right side
    10,122,542.88x = 77,372,999,441,448.81
  5. Step 5: Solve for x
    x = 77,372,999,441,448.81/10,122,542.88
  6. Step 6: Final answer
    x = 7,643,632.67

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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.