Home / 7,152,396.50-9,870,358.50-3,889,187.84

Finding the Fourth Proportional to 7,152,396.50, 9,870,358.50 and 3,889,187.84

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Solution

The fourth proportional to 7,152,396.50, 9,870,358.50 and 3,889,187.84 is: 5,367,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,396.50 : 9,870,358.50 = 3,889,187.84 : x
  2. Step 2: Convert to fraction form
    7,152,396.50/9,870,358.50 = 3,889,187.84/x
  3. Step 3: Cross multiply
    7,152,396.50x = 9,870,358.50 × 3,889,187.84
  4. Step 4: Simplify right side
    7,152,396.50x = 38,387,678,254,640.64
  5. Step 5: Solve for x
    x = 38,387,678,254,640.64/7,152,396.50
  6. Step 6: Final answer
    x = 5,367,107.13

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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.