Home / 7,940,152.51-11,911,409.75-3,680,751.31

Finding the Fourth Proportional to 7,940,152.51, 11,911,409.75 and 3,680,751.31

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Solution

The fourth proportional to 7,940,152.51, 11,911,409.75 and 3,680,751.31 is: 5,521,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,152.51 : 11,911,409.75 = 3,680,751.31 : x
  2. Step 2: Convert to fraction form
    7,940,152.51/11,911,409.75 = 3,680,751.31/x
  3. Step 3: Cross multiply
    7,940,152.51x = 11,911,409.75 × 3,680,751.31
  4. Step 4: Simplify right side
    7,940,152.51x = 43,842,937,022,855.52
  5. Step 5: Solve for x
    x = 43,842,937,022,855.52/7,940,152.51
  6. Step 6: Final answer
    x = 5,521,674.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.