Home / 7,174,320.96-9,900,639.52-3,955,172.16

Finding the Fourth Proportional to 7,174,320.96, 9,900,639.52 and 3,955,172.16

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Solution

The fourth proportional to 7,174,320.96, 9,900,639.52 and 3,955,172.16 is: 5,458,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174,320.96 : 9,900,639.52 = 3,955,172.16 : x
  2. Step 2: Convert to fraction form
    7,174,320.96/9,900,639.52 = 3,955,172.16/x
  3. Step 3: Cross multiply
    7,174,320.96x = 9,900,639.52 × 3,955,172.16
  4. Step 4: Simplify right side
    7,174,320.96x = 39,158,733,795,699.77
  5. Step 5: Solve for x
    x = 39,158,733,795,699.77/7,174,320.96
  6. Step 6: Final answer
    x = 5,458,179.81

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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.