Home / 21,892,523.67-30,206,670.46-13,070,257.93

Finding the Fourth Proportional to 21,892,523.67, 30,206,670.46 and 13,070,257.93

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Solution

The fourth proportional to 21,892,523.67, 30,206,670.46 and 13,070,257.93 is: 18,033,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,523.67 : 30,206,670.46 = 13,070,257.93 : x
  2. Step 2: Convert to fraction form
    21,892,523.67/30,206,670.46 = 13,070,257.93/x
  3. Step 3: Cross multiply
    21,892,523.67x = 30,206,670.46 × 13,070,257.93
  4. Step 4: Simplify right side
    21,892,523.67x = 394,808,974,118,711.75
  5. Step 5: Solve for x
    x = 394,808,974,118,711.75/21,892,523.67
  6. Step 6: Final answer
    x = 18,033,963.56

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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.