Home / 18,429,266.97-25,432,928.06-10,057,176.21

Finding the Fourth Proportional to 18,429,266.97, 25,432,928.06 and 10,057,176.21

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Solution

The fourth proportional to 18,429,266.97, 25,432,928.06 and 10,057,176.21 is: 13,879,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,266.97 : 25,432,928.06 = 10,057,176.21 : x
  2. Step 2: Convert to fraction form
    18,429,266.97/25,432,928.06 = 10,057,176.21/x
  3. Step 3: Cross multiply
    18,429,266.97x = 25,432,928.06 × 10,057,176.21
  4. Step 4: Simplify right side
    18,429,266.97x = 255,783,438,933,651.75
  5. Step 5: Solve for x
    x = 255,783,438,933,651.75/18,429,266.97
  6. Step 6: Final answer
    x = 13,879,197.65

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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.