Home / 7,115,849.82-9,819,878.54-3,852,666.81

Finding the Fourth Proportional to 7,115,849.82, 9,819,878.54 and 3,852,666.81

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Solution

The fourth proportional to 7,115,849.82, 9,819,878.54 and 3,852,666.81 is: 5,316,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,849.82 : 9,819,878.54 = 3,852,666.81 : x
  2. Step 2: Convert to fraction form
    7,115,849.82/9,819,878.54 = 3,852,666.81/x
  3. Step 3: Cross multiply
    7,115,849.82x = 9,819,878.54 × 3,852,666.81
  4. Step 4: Simplify right side
    7,115,849.82x = 37,832,720,110,025.92
  5. Step 5: Solve for x
    x = 37,832,720,110,025.92/7,115,849.82
  6. Step 6: Final answer
    x = 5,316,683.33

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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.