Home / 18,187,732-25,099,072.50-10,038,972.16

Finding the Fourth Proportional to 18,187,732, 25,099,072.50 and 10,038,972.16

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Solution

The fourth proportional to 18,187,732, 25,099,072.50 and 10,038,972.16 is: 13,853,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,732 : 25,099,072.50 = 10,038,972.16 : x
  2. Step 2: Convert to fraction form
    18,187,732/25,099,072.50 = 10,038,972.16/x
  3. Step 3: Cross multiply
    18,187,732x = 25,099,072.50 × 10,038,972.16
  4. Step 4: Simplify right side
    18,187,732x = 251,968,890,069,321.59
  5. Step 5: Solve for x
    x = 251,968,890,069,321.59/18,187,732
  6. Step 6: Final answer
    x = 13,853,782.87

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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.