Home / 9,181,447.60-13,772,171.40-8,118,565.60

Finding the Fourth Proportional to 9,181,447.60, 13,772,171.40 and 8,118,565.60

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Solution

The fourth proportional to 9,181,447.60, 13,772,171.40 and 8,118,565.60 is: 12,177,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,447.60 : 13,772,171.40 = 8,118,565.60 : x
  2. Step 2: Convert to fraction form
    9,181,447.60/13,772,171.40 = 8,118,565.60/x
  3. Step 3: Cross multiply
    9,181,447.60x = 13,772,171.40 × 8,118,565.60
  4. Step 4: Simplify right side
    9,181,447.60x = 111,810,276,965,343.84
  5. Step 5: Solve for x
    x = 111,810,276,965,343.84/9,181,447.60
  6. Step 6: Final answer
    x = 12,177,848.40

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.