Home / 7,538,153.89-11,308,492.03-5,918,857.40

Finding the Fourth Proportional to 7,538,153.89, 11,308,492.03 and 5,918,857.40

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Solution

The fourth proportional to 7,538,153.89, 11,308,492.03 and 5,918,857.40 is: 8,879,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,153.89 : 11,308,492.03 = 5,918,857.40 : x
  2. Step 2: Convert to fraction form
    7,538,153.89/11,308,492.03 = 5,918,857.40/x
  3. Step 3: Cross multiply
    7,538,153.89x = 11,308,492.03 × 5,918,857.40
  4. Step 4: Simplify right side
    7,538,153.89x = 66,933,351,734,606.52
  5. Step 5: Solve for x
    x = 66,933,351,734,606.52/7,538,153.89
  6. Step 6: Final answer
    x = 8,879,276.37

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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.