Home / 9,121,441.32-12,587,590.08-4,991,473.20

Finding the Fourth Proportional to 9,121,441.32, 12,587,590.08 and 4,991,473.20

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Solution

The fourth proportional to 9,121,441.32, 12,587,590.08 and 4,991,473.20 is: 6,888,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,441.32 : 12,587,590.08 = 4,991,473.20 : x
  2. Step 2: Convert to fraction form
    9,121,441.32/12,587,590.08 = 4,991,473.20/x
  3. Step 3: Cross multiply
    9,121,441.32x = 12,587,590.08 × 4,991,473.20
  4. Step 4: Simplify right side
    9,121,441.32x = 62,830,618,536,905.86
  5. Step 5: Solve for x
    x = 62,830,618,536,905.86/9,121,441.32
  6. Step 6: Final answer
    x = 6,888,233.60

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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.