Home / 18,447,193.90-27,687,521.40-9,355,616.20

Finding the Fourth Proportional to 18,447,193.90, 27,687,521.40 and 9,355,616.20

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Solution

The fourth proportional to 18,447,193.90, 27,687,521.40 and 9,355,616.20 is: 14,041,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,193.90 : 27,687,521.40 = 9,355,616.20 : x
  2. Step 2: Convert to fraction form
    18,447,193.90/27,687,521.40 = 9,355,616.20/x
  3. Step 3: Cross multiply
    18,447,193.90x = 27,687,521.40 × 9,355,616.20
  4. Step 4: Simplify right side
    18,447,193.90x = 259,033,823,747,686.66
  5. Step 5: Solve for x
    x = 259,033,823,747,686.66/18,447,193.90
  6. Step 6: Final answer
    x = 14,041,909.31

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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.