Home / 16,883,438.28-25,325,167.28-11,857,187.40

Finding the Fourth Proportional to 16,883,438.28, 25,325,167.28 and 11,857,187.40

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Solution

The fourth proportional to 16,883,438.28, 25,325,167.28 and 11,857,187.40 is: 17,785,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883,438.28 : 25,325,167.28 = 11,857,187.40 : x
  2. Step 2: Convert to fraction form
    16,883,438.28/25,325,167.28 = 11,857,187.40/x
  3. Step 3: Cross multiply
    16,883,438.28x = 25,325,167.28 × 11,857,187.40
  4. Step 4: Simplify right side
    16,883,438.28x = 300,285,254,316,022.31
  5. Step 5: Solve for x
    x = 300,285,254,316,022.31/16,883,438.28
  6. Step 6: Final answer
    x = 17,785,788.02

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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.