Home / 9,515,171.85-13,130,949.83-5,164,258.16

Finding the Fourth Proportional to 9,515,171.85, 13,130,949.83 and 5,164,258.16

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Solution

The fourth proportional to 9,515,171.85, 13,130,949.83 and 5,164,258.16 is: 7,126,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,171.85 : 13,130,949.83 = 5,164,258.16 : x
  2. Step 2: Convert to fraction form
    9,515,171.85/13,130,949.83 = 5,164,258.16/x
  3. Step 3: Cross multiply
    9,515,171.85x = 13,130,949.83 × 5,164,258.16
  4. Step 4: Simplify right side
    9,515,171.85x = 67,811,614,716,652.07
  5. Step 5: Solve for x
    x = 67,811,614,716,652.07/9,515,171.85
  6. Step 6: Final answer
    x = 7,126,683.13

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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.