Home / 23,107,009.11-31,888,668.78-12,793,731.90

Finding the Fourth Proportional to 23,107,009.11, 31,888,668.78 and 12,793,731.90

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Solution

The fourth proportional to 23,107,009.11, 31,888,668.78 and 12,793,731.90 is: 17,655,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107,009.11 : 31,888,668.78 = 12,793,731.90 : x
  2. Step 2: Convert to fraction form
    23,107,009.11/31,888,668.78 = 12,793,731.90/x
  3. Step 3: Cross multiply
    23,107,009.11x = 31,888,668.78 × 12,793,731.90
  4. Step 4: Simplify right side
    23,107,009.11x = 407,975,079,019,220.12
  5. Step 5: Solve for x
    x = 407,975,079,019,220.12/23,107,009.11
  6. Step 6: Final answer
    x = 17,655,901.60

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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.