Home / 7,120,240.61-9,823,514.96-4,022,311.37

Finding the Fourth Proportional to 7,120,240.61, 9,823,514.96 and 4,022,311.37

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Solution

The fourth proportional to 7,120,240.61, 9,823,514.96 and 4,022,311.37 is: 5,549,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,240.61 : 9,823,514.96 = 4,022,311.37 : x
  2. Step 2: Convert to fraction form
    7,120,240.61/9,823,514.96 = 4,022,311.37/x
  3. Step 3: Cross multiply
    7,120,240.61x = 9,823,514.96 × 4,022,311.37
  4. Step 4: Simplify right side
    7,120,240.61x = 39,513,235,877,911.30
  5. Step 5: Solve for x
    x = 39,513,235,877,911.30/7,120,240.61
  6. Step 6: Final answer
    x = 5,549,424.25

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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.