Home / 31,517,724.81-47,179,622.44-20,564,329.07

Finding the Fourth Proportional to 31,517,724.81, 47,179,622.44 and 20,564,329.07

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Solution

The fourth proportional to 31,517,724.81, 47,179,622.44 and 20,564,329.07 is: 30,783,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517,724.81 : 47,179,622.44 = 20,564,329.07 : x
  2. Step 2: Convert to fraction form
    31,517,724.81/47,179,622.44 = 20,564,329.07/x
  3. Step 3: Cross multiply
    31,517,724.81x = 47,179,622.44 × 20,564,329.07
  4. Step 4: Simplify right side
    31,517,724.81x = 970,217,281,254,516.25
  5. Step 5: Solve for x
    x = 970,217,281,254,516.25/31,517,724.81
  6. Step 6: Final answer
    x = 30,783,227.12

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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.