Home / 18,756,897.98-28,134,822.11-5,978,169.50

Finding the Fourth Proportional to 18,756,897.98, 28,134,822.11 and 5,978,169.50

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Solution

The fourth proportional to 18,756,897.98, 28,134,822.11 and 5,978,169.50 is: 8,967,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,897.98 : 28,134,822.11 = 5,978,169.50 : x
  2. Step 2: Convert to fraction form
    18,756,897.98/28,134,822.11 = 5,978,169.50/x
  3. Step 3: Cross multiply
    18,756,897.98x = 28,134,822.11 × 5,978,169.50
  4. Step 4: Simplify right side
    18,756,897.98x = 168,194,735,255,362.69
  5. Step 5: Solve for x
    x = 168,194,735,255,362.69/18,756,897.98
  6. Step 6: Final answer
    x = 8,967,086.96

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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.