Home / 9,121,168.58-12,587,212.08-4,991,200.25

Finding the Fourth Proportional to 9,121,168.58, 12,587,212.08 and 4,991,200.25

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Solution

The fourth proportional to 9,121,168.58, 12,587,212.08 and 4,991,200.25 is: 6,887,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,168.58 : 12,587,212.08 = 4,991,200.25 : x
  2. Step 2: Convert to fraction form
    9,121,168.58/12,587,212.08 = 4,991,200.25/x
  3. Step 3: Cross multiply
    9,121,168.58x = 12,587,212.08 × 4,991,200.25
  4. Step 4: Simplify right side
    9,121,168.58x = 62,825,296,017,562.96
  5. Step 5: Solve for x
    x = 62,825,296,017,562.96/9,121,168.58
  6. Step 6: Final answer
    x = 6,887,856.04

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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.