Home / 6,288,181.20-9,421,774.20-5,385,387.60

Finding the Fourth Proportional to 6,288,181.20, 9,421,774.20 and 5,385,387.60

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Solution

The fourth proportional to 6,288,181.20, 9,421,774.20 and 5,385,387.60 is: 8,069,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,181.20 : 9,421,774.20 = 5,385,387.60 : x
  2. Step 2: Convert to fraction form
    6,288,181.20/9,421,774.20 = 5,385,387.60/x
  3. Step 3: Cross multiply
    6,288,181.20x = 9,421,774.20 × 5,385,387.60
  4. Step 4: Simplify right side
    6,288,181.20x = 50,739,905,946,679.91
  5. Step 5: Solve for x
    x = 50,739,905,946,679.91/6,288,181.20
  6. Step 6: Final answer
    x = 8,069,090.94

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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.