Home / 31,294,179.16-46,931,661.32-21,640,825.87

Finding the Fourth Proportional to 31,294,179.16, 46,931,661.32 and 21,640,825.87

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Solution

The fourth proportional to 31,294,179.16, 46,931,661.32 and 21,640,825.87 is: 32,454,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294,179.16 : 46,931,661.32 = 21,640,825.87 : x
  2. Step 2: Convert to fraction form
    31,294,179.16/46,931,661.32 = 21,640,825.87/x
  3. Step 3: Cross multiply
    31,294,179.16x = 46,931,661.32 × 21,640,825.87
  4. Step 4: Simplify right side
    31,294,179.16x = 1,015,639,910,102,404.25
  5. Step 5: Solve for x
    x = 1,015,639,910,102,404.25/31,294,179.16
  6. Step 6: Final answer
    x = 32,454,594.98

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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.