Home / 7,520,220.20-10,378,029.94-4,082,461.13

Finding the Fourth Proportional to 7,520,220.20, 10,378,029.94 and 4,082,461.13

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Solution

The fourth proportional to 7,520,220.20, 10,378,029.94 and 4,082,461.13 is: 5,633,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,220.20 : 10,378,029.94 = 4,082,461.13 : x
  2. Step 2: Convert to fraction form
    7,520,220.20/10,378,029.94 = 4,082,461.13/x
  3. Step 3: Cross multiply
    7,520,220.20x = 10,378,029.94 × 4,082,461.13
  4. Step 4: Simplify right side
    7,520,220.20x = 42,367,903,773,929.93
  5. Step 5: Solve for x
    x = 42,367,903,773,929.93/7,520,220.20
  6. Step 6: Final answer
    x = 5,633,864.79

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1.5x scale

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.