Home / 9,109,614.40-13,655,090.40-5,321,147.20

Finding the Fourth Proportional to 9,109,614.40, 13,655,090.40 and 5,321,147.20

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Solution

The fourth proportional to 9,109,614.40, 13,655,090.40 and 5,321,147.20 is: 7,976,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,614.40 : 13,655,090.40 = 5,321,147.20 : x
  2. Step 2: Convert to fraction form
    9,109,614.40/13,655,090.40 = 5,321,147.20/x
  3. Step 3: Cross multiply
    9,109,614.40x = 13,655,090.40 × 5,321,147.20
  4. Step 4: Simplify right side
    9,109,614.40x = 72,660,746,047,706.89
  5. Step 5: Solve for x
    x = 72,660,746,047,706.89/9,109,614.40
  6. Step 6: Final answer
    x = 7,976,270.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.