Home / 18,926,997.84-26,120,485.53-10,981,167.57

Finding the Fourth Proportional to 18,926,997.84, 26,120,485.53 and 10,981,167.57

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Solution

The fourth proportional to 18,926,997.84, 26,120,485.53 and 10,981,167.57 is: 15,154,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926,997.84 : 26,120,485.53 = 10,981,167.57 : x
  2. Step 2: Convert to fraction form
    18,926,997.84/26,120,485.53 = 10,981,167.57/x
  3. Step 3: Cross multiply
    18,926,997.84x = 26,120,485.53 × 10,981,167.57
  4. Step 4: Simplify right side
    18,926,997.84x = 286,833,428,614,690.31
  5. Step 5: Solve for x
    x = 286,833,428,614,690.31/18,926,997.84
  6. Step 6: Final answer
    x = 15,154,724.01

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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.