Home / 7,207,021.66-9,945,688.93-3,943,836.77

Finding the Fourth Proportional to 7,207,021.66, 9,945,688.93 and 3,943,836.77

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Solution

The fourth proportional to 7,207,021.66, 9,945,688.93 and 3,943,836.77 is: 5,442,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,021.66 : 9,945,688.93 = 3,943,836.77 : x
  2. Step 2: Convert to fraction form
    7,207,021.66/9,945,688.93 = 3,943,836.77/x
  3. Step 3: Cross multiply
    7,207,021.66x = 9,945,688.93 × 3,943,836.77
  4. Step 4: Simplify right side
    7,207,021.66x = 39,224,173,705,115.95
  5. Step 5: Solve for x
    x = 39,224,173,705,115.95/7,207,021.66
  6. Step 6: Final answer
    x = 5,442,494.22

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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.