Home / 18,545,642.25-25,592,605.05-10,284,371.40

Finding the Fourth Proportional to 18,545,642.25, 25,592,605.05 and 10,284,371.40

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Solution

The fourth proportional to 18,545,642.25, 25,592,605.05 and 10,284,371.40 is: 14,192,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545,642.25 : 25,592,605.05 = 10,284,371.40 : x
  2. Step 2: Convert to fraction form
    18,545,642.25/25,592,605.05 = 10,284,371.40/x
  3. Step 3: Cross multiply
    18,545,642.25x = 25,592,605.05 × 10,284,371.40
  4. Step 4: Simplify right side
    18,545,642.25x = 263,203,855,427,715.59
  5. Step 5: Solve for x
    x = 263,203,855,427,715.59/18,545,642.25
  6. Step 6: Final answer
    x = 14,192,221.11

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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.