Home / 18,824,617.18-28,236,548.52-12,388,347.46

Finding the Fourth Proportional to 18,824,617.18, 28,236,548.52 and 12,388,347.46

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Solution

The fourth proportional to 18,824,617.18, 28,236,548.52 and 12,388,347.46 is: 18,582,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824,617.18 : 28,236,548.52 = 12,388,347.46 : x
  2. Step 2: Convert to fraction form
    18,824,617.18/28,236,548.52 = 12,388,347.46/x
  3. Step 3: Cross multiply
    18,824,617.18x = 28,236,548.52 × 12,388,347.46
  4. Step 4: Simplify right side
    18,824,617.18x = 349,804,174,136,908.75
  5. Step 5: Solve for x
    x = 349,804,174,136,908.75/18,824,617.18
  6. Step 6: Final answer
    x = 18,582,272.92

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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.