Home / 5,315,085.60-7,972,628.40-4,904,512.80

Finding the Fourth Proportional to 5,315,085.60, 7,972,628.40 and 4,904,512.80

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Solution

The fourth proportional to 5,315,085.60, 7,972,628.40 and 4,904,512.80 is: 7,356,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,085.60 : 7,972,628.40 = 4,904,512.80 : x
  2. Step 2: Convert to fraction form
    5,315,085.60/7,972,628.40 = 4,904,512.80/x
  3. Step 3: Cross multiply
    5,315,085.60x = 7,972,628.40 × 4,904,512.80
  4. Step 4: Simplify right side
    5,315,085.60x = 39,101,858,037,443.52
  5. Step 5: Solve for x
    x = 39,101,858,037,443.52/5,315,085.60
  6. Step 6: Final answer
    x = 7,356,769.20

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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.