Home / 7,760,720.66-10,709,804.40-4,228,500.56

Finding the Fourth Proportional to 7,760,720.66, 10,709,804.40 and 4,228,500.56

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Solution

The fourth proportional to 7,760,720.66, 10,709,804.40 and 4,228,500.56 is: 5,835,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,720.66 : 10,709,804.40 = 4,228,500.56 : x
  2. Step 2: Convert to fraction form
    7,760,720.66/10,709,804.40 = 4,228,500.56/x
  3. Step 3: Cross multiply
    7,760,720.66x = 10,709,804.40 × 4,228,500.56
  4. Step 4: Simplify right side
    7,760,720.66x = 45,286,413,902,890.46
  5. Step 5: Solve for x
    x = 45,286,413,902,890.46/7,760,720.66
  6. Step 6: Final answer
    x = 5,835,336.16

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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.