Home / 31,662,343.27-47,431,661.07-21,812,667.53

Finding the Fourth Proportional to 31,662,343.27, 47,431,661.07 and 21,812,667.53

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Solution

The fourth proportional to 31,662,343.27, 47,431,661.07 and 21,812,667.53 is: 32,676,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662,343.27 : 47,431,661.07 = 21,812,667.53 : x
  2. Step 2: Convert to fraction form
    31,662,343.27/47,431,661.07 = 21,812,667.53/x
  3. Step 3: Cross multiply
    31,662,343.27x = 47,431,661.07 × 21,812,667.53
  4. Step 4: Simplify right side
    31,662,343.27x = 1,034,611,053,315,554.12
  5. Step 5: Solve for x
    x = 1,034,611,053,315,554.12/31,662,343.27
  6. Step 6: Final answer
    x = 32,676,389.25

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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.