Home / 7,520,178.48-10,377,972.54-4,082,419.50

Finding the Fourth Proportional to 7,520,178.48, 10,377,972.54 and 4,082,419.50

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Solution

The fourth proportional to 7,520,178.48, 10,377,972.54 and 4,082,419.50 is: 5,633,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,178.48 : 10,377,972.54 = 4,082,419.50 : x
  2. Step 2: Convert to fraction form
    7,520,178.48/10,377,972.54 = 4,082,419.50/x
  3. Step 3: Cross multiply
    7,520,178.48x = 10,377,972.54 × 4,082,419.50
  4. Step 4: Simplify right side
    7,520,178.48x = 42,367,237,467,760.52
  5. Step 5: Solve for x
    x = 42,367,237,467,760.52/7,520,178.48
  6. Step 6: Final answer
    x = 5,633,807.44

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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.