Home / 9,160,778.26-12,643,429.02-5,295,540.07

Finding the Fourth Proportional to 9,160,778.26, 12,643,429.02 and 5,295,540.07

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Solution

The fourth proportional to 9,160,778.26, 12,643,429.02 and 5,295,540.07 is: 7,308,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,778.26 : 12,643,429.02 = 5,295,540.07 : x
  2. Step 2: Convert to fraction form
    9,160,778.26/12,643,429.02 = 5,295,540.07/x
  3. Step 3: Cross multiply
    9,160,778.26x = 12,643,429.02 × 5,295,540.07
  4. Step 4: Simplify right side
    9,160,778.26x = 66,953,784,971,133.14
  5. Step 5: Solve for x
    x = 66,953,784,971,133.14/9,160,778.26
  6. Step 6: Final answer
    x = 7,308,744.20

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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.