Home / 7,152,400.99-9,870,364.71-3,889,192.33

Finding the Fourth Proportional to 7,152,400.99, 9,870,364.71 and 3,889,192.33

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Solution

The fourth proportional to 7,152,400.99, 9,870,364.71 and 3,889,192.33 is: 5,367,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,400.99 : 9,870,364.71 = 3,889,192.33 : x
  2. Step 2: Convert to fraction form
    7,152,400.99/9,870,364.71 = 3,889,192.33/x
  3. Step 3: Cross multiply
    7,152,400.99x = 9,870,364.71 × 3,889,192.33
  4. Step 4: Simplify right side
    7,152,400.99x = 38,387,746,724,434.68
  5. Step 5: Solve for x
    x = 38,387,746,724,434.68/7,152,400.99
  6. Step 6: Final answer
    x = 5,367,113.33

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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.