Home / 9,515,195.26-13,130,982.45-5,164,281.64

Finding the Fourth Proportional to 9,515,195.26, 13,130,982.45 and 5,164,281.64

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Solution

The fourth proportional to 9,515,195.26, 13,130,982.45 and 5,164,281.64 is: 7,126,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,195.26 : 13,130,982.45 = 5,164,281.64 : x
  2. Step 2: Convert to fraction form
    9,515,195.26/13,130,982.45 = 5,164,281.64/x
  3. Step 3: Cross multiply
    9,515,195.26x = 13,130,982.45 × 5,164,281.64
  4. Step 4: Simplify right side
    9,515,195.26x = 67,812,091,581,697.21
  5. Step 5: Solve for x
    x = 67,812,091,581,697.21/9,515,195.26
  6. Step 6: Final answer
    x = 7,126,715.71

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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.