Home / 18,678,994.23-25,777,653.02-10,837,914.38

Finding the Fourth Proportional to 18,678,994.23, 25,777,653.02 and 10,837,914.38

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Solution

The fourth proportional to 18,678,994.23, 25,777,653.02 and 10,837,914.38 is: 14,956,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,994.23 : 25,777,653.02 = 10,837,914.38 : x
  2. Step 2: Convert to fraction form
    18,678,994.23/25,777,653.02 = 10,837,914.38/x
  3. Step 3: Cross multiply
    18,678,994.23x = 25,777,653.02 × 10,837,914.38
  4. Step 4: Simplify right side
    18,678,994.23x = 279,375,996,246,314.97
  5. Step 5: Solve for x
    x = 279,375,996,246,314.97/18,678,994.23
  6. Step 6: Final answer
    x = 14,956,693.75

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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.