Home / 18,452,054.40-27,678,081.60-8,216,894.40

Finding the Fourth Proportional to 18,452,054.40, 27,678,081.60 and 8,216,894.40

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Solution

The fourth proportional to 18,452,054.40, 27,678,081.60 and 8,216,894.40 is: 12,325,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,054.40 : 27,678,081.60 = 8,216,894.40 : x
  2. Step 2: Convert to fraction form
    18,452,054.40/27,678,081.60 = 8,216,894.40/x
  3. Step 3: Cross multiply
    18,452,054.40x = 27,678,081.60 × 8,216,894.40
  4. Step 4: Simplify right side
    18,452,054.40x = 227,427,873,701,783.06
  5. Step 5: Solve for x
    x = 227,427,873,701,783.06/18,452,054.40
  6. Step 6: Final answer
    x = 12,325,341.60

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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.