Home / 47,555,232.75-65,626,230.72-28,970,371.89

Finding the Fourth Proportional to 47,555,232.75, 65,626,230.72 and 28,970,371.89

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Solution

The fourth proportional to 47,555,232.75, 65,626,230.72 and 28,970,371.89 is: 39,979,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555,232.75 : 65,626,230.72 = 28,970,371.89 : x
  2. Step 2: Convert to fraction form
    47,555,232.75/65,626,230.72 = 28,970,371.89/x
  3. Step 3: Cross multiply
    47,555,232.75x = 65,626,230.72 × 28,970,371.89
  4. Step 4: Simplify right side
    47,555,232.75x = 1,901,216,309,697,342.50
  5. Step 5: Solve for x
    x = 1,901,216,309,697,342.50/47,555,232.75
  6. Step 6: Final answer
    x = 39,979,119.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.