Home / 31,577,243.72-43,576,728.91-17,090,555.72

Finding the Fourth Proportional to 31,577,243.72, 43,576,728.91 and 17,090,555.72

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Solution

The fourth proportional to 31,577,243.72, 43,576,728.91 and 17,090,555.72 is: 23,585,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577,243.72 : 43,576,728.91 = 17,090,555.72 : x
  2. Step 2: Convert to fraction form
    31,577,243.72/43,576,728.91 = 17,090,555.72/x
  3. Step 3: Cross multiply
    31,577,243.72x = 43,576,728.91 × 17,090,555.72
  4. Step 4: Simplify right side
    31,577,243.72x = 744,750,513,271,079.75
  5. Step 5: Solve for x
    x = 744,750,513,271,079.75/31,577,243.72
  6. Step 6: Final answer
    x = 23,585,038.64

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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.