Home / 9,678,173.76-13,355,928-5,327,697.60

Finding the Fourth Proportional to 9,678,173.76, 13,355,928 and 5,327,697.60

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Solution

The fourth proportional to 9,678,173.76, 13,355,928 and 5,327,697.60 is: 7,352,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,173.76 : 13,355,928 = 5,327,697.60 : x
  2. Step 2: Convert to fraction form
    9,678,173.76/13,355,928 = 5,327,697.60/x
  3. Step 3: Cross multiply
    9,678,173.76x = 13,355,928 × 5,327,697.60
  4. Step 4: Simplify right side
    9,678,173.76x = 71,156,345,551,372.80
  5. Step 5: Solve for x
    x = 71,156,345,551,372.80/9,678,173.76
  6. Step 6: Final answer
    x = 7,352,249.23

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1.5x scale

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.