Home / 18,979,987.02-26,192,396.28-10,278,169.17

Finding the Fourth Proportional to 18,979,987.02, 26,192,396.28 and 10,278,169.17

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Solution

The fourth proportional to 18,979,987.02, 26,192,396.28 and 10,278,169.17 is: 14,183,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,987.02 : 26,192,396.28 = 10,278,169.17 : x
  2. Step 2: Convert to fraction form
    18,979,987.02/26,192,396.28 = 10,278,169.17/x
  3. Step 3: Cross multiply
    18,979,987.02x = 26,192,396.28 × 10,278,169.17
  4. Step 4: Simplify right side
    18,979,987.02x = 269,209,879,933,518.69
  5. Step 5: Solve for x
    x = 269,209,879,933,518.69/18,979,987.02
  6. Step 6: Final answer
    x = 14,183,881.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.