Home / 7,889,700.20-10,887,679.87-4,405,092.35

Finding the Fourth Proportional to 7,889,700.20, 10,887,679.87 and 4,405,092.35

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Solution

The fourth proportional to 7,889,700.20, 10,887,679.87 and 4,405,092.35 is: 6,078,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,700.20 : 10,887,679.87 = 4,405,092.35 : x
  2. Step 2: Convert to fraction form
    7,889,700.20/10,887,679.87 = 4,405,092.35/x
  3. Step 3: Cross multiply
    7,889,700.20x = 10,887,679.87 × 4,405,092.35
  4. Step 4: Simplify right side
    7,889,700.20x = 47,961,235,239,134.86
  5. Step 5: Solve for x
    x = 47,961,235,239,134.86/7,889,700.20
  6. Step 6: Final answer
    x = 6,078,968.03

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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.