Home / 7,953,806.09-10,976,722.56-5,990,220.87

Finding the Fourth Proportional to 7,953,806.09, 10,976,722.56 and 5,990,220.87

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Solution

The fourth proportional to 7,953,806.09, 10,976,722.56 and 5,990,220.87 is: 8,266,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953,806.09 : 10,976,722.56 = 5,990,220.87 : x
  2. Step 2: Convert to fraction form
    7,953,806.09/10,976,722.56 = 5,990,220.87/x
  3. Step 3: Cross multiply
    7,953,806.09x = 10,976,722.56 × 5,990,220.87
  4. Step 4: Simplify right side
    7,953,806.09x = 65,752,992,563,111.83
  5. Step 5: Solve for x
    x = 65,752,992,563,111.83/7,953,806.09
  6. Step 6: Final answer
    x = 8,266,858.89

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1.5x scale

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.