Home / 8,308,088.40-12,462,132.60-5,471,403.60

Finding the Fourth Proportional to 8,308,088.40, 12,462,132.60 and 5,471,403.60

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Solution

The fourth proportional to 8,308,088.40, 12,462,132.60 and 5,471,403.60 is: 8,207,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,088.40 : 12,462,132.60 = 5,471,403.60 : x
  2. Step 2: Convert to fraction form
    8,308,088.40/12,462,132.60 = 5,471,403.60/x
  3. Step 3: Cross multiply
    8,308,088.40x = 12,462,132.60 × 5,471,403.60
  4. Step 4: Simplify right side
    8,308,088.40x = 68,185,357,171,317.35
  5. Step 5: Solve for x
    x = 68,185,357,171,317.35/8,308,088.40
  6. Step 6: Final answer
    x = 8,207,105.40

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Similar ratio
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1.5x scale

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.