Home / 18,992,380.02-26,209,447.79-10,290,788.16

Finding the Fourth Proportional to 18,992,380.02, 26,209,447.79 and 10,290,788.16

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Solution

The fourth proportional to 18,992,380.02, 26,209,447.79 and 10,290,788.16 is: 14,201,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,380.02 : 26,209,447.79 = 10,290,788.16 : x
  2. Step 2: Convert to fraction form
    18,992,380.02/26,209,447.79 = 10,290,788.16/x
  3. Step 3: Cross multiply
    18,992,380.02x = 26,209,447.79 × 10,290,788.16
  4. Step 4: Simplify right side
    18,992,380.02x = 269,715,874,997,470.16
  5. Step 5: Solve for x
    x = 269,715,874,997,470.16/18,992,380.02
  6. Step 6: Final answer
    x = 14,201,267.81

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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.