Home / 10,317,115.53-15,461,007.80-7,600,074.21

Finding the Fourth Proportional to 10,317,115.53, 15,461,007.80 and 7,600,074.21

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Solution

The fourth proportional to 10,317,115.53, 15,461,007.80 and 7,600,074.21 is: 11,389,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317,115.53 : 15,461,007.80 = 7,600,074.21 : x
  2. Step 2: Convert to fraction form
    10,317,115.53/15,461,007.80 = 7,600,074.21/x
  3. Step 3: Cross multiply
    10,317,115.53x = 15,461,007.80 × 7,600,074.21
  4. Step 4: Simplify right side
    10,317,115.53x = 117,504,806,603,388.47
  5. Step 5: Solve for x
    x = 117,504,806,603,388.47/10,317,115.53
  6. Step 6: Final answer
    x = 11,389,308.02

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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.