Home / 5,365,612.80-8,048,419.20-4,987,699.20

Finding the Fourth Proportional to 5,365,612.80, 8,048,419.20 and 4,987,699.20

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Solution

The fourth proportional to 5,365,612.80, 8,048,419.20 and 4,987,699.20 is: 7,481,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365,612.80 : 8,048,419.20 = 4,987,699.20 : x
  2. Step 2: Convert to fraction form
    5,365,612.80/8,048,419.20 = 4,987,699.20/x
  3. Step 3: Cross multiply
    5,365,612.80x = 8,048,419.20 × 4,987,699.20
  4. Step 4: Simplify right side
    5,365,612.80x = 40,143,094,005,104.64
  5. Step 5: Solve for x
    x = 40,143,094,005,104.64/5,365,612.80
  6. Step 6: Final answer
    x = 7,481,548.80

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1.5x scale

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.