Home / 18,462,811.40-27,693,957.90-8,365,416.20

Finding the Fourth Proportional to 18,462,811.40, 27,693,957.90 and 8,365,416.20

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Solution

The fourth proportional to 18,462,811.40, 27,693,957.90 and 8,365,416.20 is: 12,548,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,811.40 : 27,693,957.90 = 8,365,416.20 : x
  2. Step 2: Convert to fraction form
    18,462,811.40/27,693,957.90 = 8,365,416.20/x
  3. Step 3: Cross multiply
    18,462,811.40x = 27,693,957.90 × 8,365,416.20
  4. Step 4: Simplify right side
    18,462,811.40x = 231,671,484,058,777.97
  5. Step 5: Solve for x
    x = 231,671,484,058,777.97/18,462,811.40
  6. Step 6: Final answer
    x = 12,548,006.86

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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.