Home / 31,281,292.80-46,921,939.20-28,305,223.20

Finding the Fourth Proportional to 31,281,292.80, 46,921,939.20 and 28,305,223.20

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Solution

The fourth proportional to 31,281,292.80, 46,921,939.20 and 28,305,223.20 is: 42,457,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,292.80 : 46,921,939.20 = 28,305,223.20 : x
  2. Step 2: Convert to fraction form
    31,281,292.80/46,921,939.20 = 28,305,223.20/x
  3. Step 3: Cross multiply
    31,281,292.80x = 46,921,939.20 × 28,305,223.20
  4. Step 4: Simplify right side
    31,281,292.80x = 1,328,135,962,032,829.50
  5. Step 5: Solve for x
    x = 1,328,135,962,032,829.50/31,281,292.80
  6. Step 6: Final answer
    x = 42,457,834.80

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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.