Home / 9,290,514.52-12,820,910.04-5,216,221

Finding the Fourth Proportional to 9,290,514.52, 12,820,910.04 and 5,216,221

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Solution

The fourth proportional to 9,290,514.52, 12,820,910.04 and 5,216,221 is: 7,198,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,514.52 : 12,820,910.04 = 5,216,221 : x
  2. Step 2: Convert to fraction form
    9,290,514.52/12,820,910.04 = 5,216,221/x
  3. Step 3: Cross multiply
    9,290,514.52x = 12,820,910.04 × 5,216,221
  4. Step 4: Simplify right side
    9,290,514.52x = 66,876,700,189,758.84
  5. Step 5: Solve for x
    x = 66,876,700,189,758.84/9,290,514.52
  6. Step 6: Final answer
    x = 7,198,384.98

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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.