Home / 7,152,390.25-9,870,349.88-3,889,181.59

Finding the Fourth Proportional to 7,152,390.25, 9,870,349.88 and 3,889,181.59

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Solution

The fourth proportional to 7,152,390.25, 9,870,349.88 and 3,889,181.59 is: 5,367,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,390.25 : 9,870,349.88 = 3,889,181.59 : x
  2. Step 2: Convert to fraction form
    7,152,390.25/9,870,349.88 = 3,889,181.59/x
  3. Step 3: Cross multiply
    7,152,390.25x = 9,870,349.88 × 3,889,181.59
  4. Step 4: Simplify right side
    7,152,390.25x = 38,387,583,025,201.79
  5. Step 5: Solve for x
    x = 38,387,583,025,201.79/7,152,390.25
  6. Step 6: Final answer
    x = 5,367,098.51

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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.