Home / 9,979,309.56-13,771,419.72-5,568,988.04

Finding the Fourth Proportional to 9,979,309.56, 13,771,419.72 and 5,568,988.04

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Solution

The fourth proportional to 9,979,309.56, 13,771,419.72 and 5,568,988.04 is: 7,685,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,309.56 : 13,771,419.72 = 5,568,988.04 : x
  2. Step 2: Convert to fraction form
    9,979,309.56/13,771,419.72 = 5,568,988.04/x
  3. Step 3: Cross multiply
    9,979,309.56x = 13,771,419.72 × 5,568,988.04
  4. Step 4: Simplify right side
    9,979,309.56x = 76,692,871,714,500.16
  5. Step 5: Solve for x
    x = 76,692,871,714,500.16/9,979,309.56
  6. Step 6: Final answer
    x = 7,685,188.16

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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.