Home / 14,658,018.12-20,228,088.83-8,131,647.73

Finding the Fourth Proportional to 14,658,018.12, 20,228,088.83 and 8,131,647.73

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Solution

The fourth proportional to 14,658,018.12, 20,228,088.83 and 8,131,647.73 is: 11,221,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,018.12 : 20,228,088.83 = 8,131,647.73 : x
  2. Step 2: Convert to fraction form
    14,658,018.12/20,228,088.83 = 8,131,647.73/x
  3. Step 3: Cross multiply
    14,658,018.12x = 20,228,088.83 × 8,131,647.73
  4. Step 4: Simplify right side
    14,658,018.12x = 164,487,692,616,707.84
  5. Step 5: Solve for x
    x = 164,487,692,616,707.84/14,658,018.12
  6. Step 6: Final answer
    x = 11,221,687.08

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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.