Home / 21,051,181.53-31,587,837.30-14,942,584.35

Finding the Fourth Proportional to 21,051,181.53, 31,587,837.30 and 14,942,584.35

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Solution

The fourth proportional to 21,051,181.53, 31,587,837.30 and 14,942,584.35 is: 22,421,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,181.53 : 31,587,837.30 = 14,942,584.35 : x
  2. Step 2: Convert to fraction form
    21,051,181.53/31,587,837.30 = 14,942,584.35/x
  3. Step 3: Cross multiply
    21,051,181.53x = 31,587,837.30 × 14,942,584.35
  4. Step 4: Simplify right side
    21,051,181.53x = 472,003,923,289,326.25
  5. Step 5: Solve for x
    x = 472,003,923,289,326.25/21,051,181.53
  6. Step 6: Final answer
    x = 22,421,730.71

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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.