Home / 9,120,699.24-12,586,370.94-4,990,714.44

Finding the Fourth Proportional to 9,120,699.24, 12,586,370.94 and 4,990,714.44

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Solution

The fourth proportional to 9,120,699.24, 12,586,370.94 and 4,990,714.44 is: 6,887,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,699.24 : 12,586,370.94 = 4,990,714.44 : x
  2. Step 2: Convert to fraction form
    9,120,699.24/12,586,370.94 = 4,990,714.44/x
  3. Step 3: Cross multiply
    9,120,699.24x = 12,586,370.94 × 4,990,714.44
  4. Step 4: Simplify right side
    9,120,699.24x = 62,814,983,197,454.38
  5. Step 5: Solve for x
    x = 62,814,983,197,454.38/9,120,699.24
  6. Step 6: Final answer
    x = 6,887,079.77

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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.