Home / 18,428,467.70-27,642,701.55-8,842,214.90

Finding the Fourth Proportional to 18,428,467.70, 27,642,701.55 and 8,842,214.90

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Solution

The fourth proportional to 18,428,467.70, 27,642,701.55 and 8,842,214.90 is: 13,263,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,467.70 : 27,642,701.55 = 8,842,214.90 : x
  2. Step 2: Convert to fraction form
    18,428,467.70/27,642,701.55 = 8,842,214.90/x
  3. Step 3: Cross multiply
    18,428,467.70x = 27,642,701.55 × 8,842,214.90
  4. Step 4: Simplify right side
    18,428,467.70x = 244,422,707,521,663.12
  5. Step 5: Solve for x
    x = 244,422,707,521,663.12/18,428,467.70
  6. Step 6: Final answer
    x = 13,263,322.35

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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.