Home / 18,145,311.90-27,217,967.85-6,178,047.90

Finding the Fourth Proportional to 18,145,311.90, 27,217,967.85 and 6,178,047.90

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Solution

The fourth proportional to 18,145,311.90, 27,217,967.85 and 6,178,047.90 is: 9,267,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,311.90 : 27,217,967.85 = 6,178,047.90 : x
  2. Step 2: Convert to fraction form
    18,145,311.90/27,217,967.85 = 6,178,047.90/x
  3. Step 3: Cross multiply
    18,145,311.90x = 27,217,967.85 × 6,178,047.90
  4. Step 4: Simplify right side
    18,145,311.90x = 168,153,909,117,960.03
  5. Step 5: Solve for x
    x = 168,153,909,117,960.03/18,145,311.90
  6. Step 6: Final answer
    x = 9,267,071.85

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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.