Home / 23,142,406.96-31,936,812.60-13,354,882.12

Finding the Fourth Proportional to 23,142,406.96, 31,936,812.60 and 13,354,882.12

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Solution

The fourth proportional to 23,142,406.96, 31,936,812.60 and 13,354,882.12 is: 18,429,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142,406.96 : 31,936,812.60 = 13,354,882.12 : x
  2. Step 2: Convert to fraction form
    23,142,406.96/31,936,812.60 = 13,354,882.12/x
  3. Step 3: Cross multiply
    23,142,406.96x = 31,936,812.60 × 13,354,882.12
  4. Step 4: Simplify right side
    23,142,406.96x = 426,512,367,561,530.69
  5. Step 5: Solve for x
    x = 426,512,367,561,530.69/23,142,406.96
  6. Step 6: Final answer
    x = 18,429,905.25

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1.5x scale

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.