Home / 9,069,138.12-12,515,976.20-4,994,756.04

Finding the Fourth Proportional to 9,069,138.12, 12,515,976.20 and 4,994,756.04

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Solution

The fourth proportional to 9,069,138.12, 12,515,976.20 and 4,994,756.04 is: 6,893,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,138.12 : 12,515,976.20 = 4,994,756.04 : x
  2. Step 2: Convert to fraction form
    9,069,138.12/12,515,976.20 = 4,994,756.04/x
  3. Step 3: Cross multiply
    9,069,138.12x = 12,515,976.20 × 4,994,756.04
  4. Step 4: Simplify right side
    9,069,138.12x = 62,514,247,721,446.24
  5. Step 5: Solve for x
    x = 62,514,247,721,446.24/9,069,138.12
  6. Step 6: Final answer
    x = 6,893,074.83

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Double scale
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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.