Home / 15,238,477.62-21,028,406.13-8,362,823.22

Finding the Fourth Proportional to 15,238,477.62, 21,028,406.13 and 8,362,823.22

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Solution

The fourth proportional to 15,238,477.62, 21,028,406.13 and 8,362,823.22 is: 11,540,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,477.62 : 21,028,406.13 = 8,362,823.22 : x
  2. Step 2: Convert to fraction form
    15,238,477.62/21,028,406.13 = 8,362,823.22/x
  3. Step 3: Cross multiply
    15,238,477.62x = 21,028,406.13 × 8,362,823.22
  4. Step 4: Simplify right side
    15,238,477.62x = 175,856,843,063,554.31
  5. Step 5: Solve for x
    x = 175,856,843,063,554.31/15,238,477.62
  6. Step 6: Final answer
    x = 11,540,315.74

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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.