Home / 31,330,829.20-46,996,243.80-28,638,194.80

Finding the Fourth Proportional to 31,330,829.20, 46,996,243.80 and 28,638,194.80

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Solution

The fourth proportional to 31,330,829.20, 46,996,243.80 and 28,638,194.80 is: 42,957,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330,829.20 : 46,996,243.80 = 28,638,194.80 : x
  2. Step 2: Convert to fraction form
    31,330,829.20/46,996,243.80 = 28,638,194.80/x
  3. Step 3: Cross multiply
    31,330,829.20x = 46,996,243.80 × 28,638,194.80
  4. Step 4: Simplify right side
    31,330,829.20x = 1,345,887,584,812,692.25
  5. Step 5: Solve for x
    x = 1,345,887,584,812,692.25/31,330,829.20
  6. Step 6: Final answer
    x = 42,957,292.20

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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.