Home / 18,353,355.40-27,498,540.30-8,748,051.40

Finding the Fourth Proportional to 18,353,355.40, 27,498,540.30 and 8,748,051.40

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Solution

The fourth proportional to 18,353,355.40, 27,498,540.30 and 8,748,051.40 is: 13,107,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353,355.40 : 27,498,540.30 = 8,748,051.40 : x
  2. Step 2: Convert to fraction form
    18,353,355.40/27,498,540.30 = 8,748,051.40/x
  3. Step 3: Cross multiply
    18,353,355.40x = 27,498,540.30 × 8,748,051.40
  4. Step 4: Simplify right side
    18,353,355.40x = 240,558,643,969,371.44
  5. Step 5: Solve for x
    x = 240,558,643,969,371.44/18,353,355.40
  6. Step 6: Final answer
    x = 13,107,066.19

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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.