Home / 7,760,721.66-10,709,805.78-4,228,501.56

Finding the Fourth Proportional to 7,760,721.66, 10,709,805.78 and 4,228,501.56

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Solution

The fourth proportional to 7,760,721.66, 10,709,805.78 and 4,228,501.56 is: 5,835,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,721.66 : 10,709,805.78 = 4,228,501.56 : x
  2. Step 2: Convert to fraction form
    7,760,721.66/10,709,805.78 = 4,228,501.56/x
  3. Step 3: Cross multiply
    7,760,721.66x = 10,709,805.78 × 4,228,501.56
  4. Step 4: Simplify right side
    7,760,721.66x = 45,286,430,448,027.01
  5. Step 5: Solve for x
    x = 45,286,430,448,027.01/7,760,721.66
  6. Step 6: Final answer
    x = 5,835,337.54

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1.5x scale

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.