Home / 18,443,342.40-27,681,744.15-9,351,764.70

Finding the Fourth Proportional to 18,443,342.40, 27,681,744.15 and 9,351,764.70

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Solution

The fourth proportional to 18,443,342.40, 27,681,744.15 and 9,351,764.70 is: 14,036,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,342.40 : 27,681,744.15 = 9,351,764.70 : x
  2. Step 2: Convert to fraction form
    18,443,342.40/27,681,744.15 = 9,351,764.70/x
  3. Step 3: Cross multiply
    18,443,342.40x = 27,681,744.15 × 9,351,764.70
  4. Step 4: Simplify right side
    18,443,342.40x = 258,873,157,776,401.47
  5. Step 5: Solve for x
    x = 258,873,157,776,401.47/18,443,342.40
  6. Step 6: Final answer
    x = 14,036,130.34

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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.