Home / 7,152,394.50-9,870,355.74-3,889,185.84

Finding the Fourth Proportional to 7,152,394.50, 9,870,355.74 and 3,889,185.84

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Solution

The fourth proportional to 7,152,394.50, 9,870,355.74 and 3,889,185.84 is: 5,367,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,394.50 : 9,870,355.74 = 3,889,185.84 : x
  2. Step 2: Convert to fraction form
    7,152,394.50/9,870,355.74 = 3,889,185.84/x
  3. Step 3: Cross multiply
    7,152,394.50x = 9,870,355.74 × 3,889,185.84
  4. Step 4: Simplify right side
    7,152,394.50x = 38,387,647,779,770.72
  5. Step 5: Solve for x
    x = 38,387,647,779,770.72/7,152,394.50
  6. Step 6: Final answer
    x = 5,367,104.37

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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.