Home / 7,285,135.20-10,920,704.40-5,665,005.60

Finding the Fourth Proportional to 7,285,135.20, 10,920,704.40 and 5,665,005.60

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Solution

The fourth proportional to 7,285,135.20, 10,920,704.40 and 5,665,005.60 is: 8,492,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,135.20 : 10,920,704.40 = 5,665,005.60 : x
  2. Step 2: Convert to fraction form
    7,285,135.20/10,920,704.40 = 5,665,005.60/x
  3. Step 3: Cross multiply
    7,285,135.20x = 10,920,704.40 × 5,665,005.60
  4. Step 4: Simplify right side
    7,285,135.20x = 61,865,851,581,944.64
  5. Step 5: Solve for x
    x = 61,865,851,581,944.64/7,285,135.20
  6. Step 6: Final answer
    x = 8,492,066.36

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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.