Home / 18,337,377.76-27,506,980.26-6,978,706.72

Finding the Fourth Proportional to 18,337,377.76, 27,506,980.26 and 6,978,706.72

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Solution

The fourth proportional to 18,337,377.76, 27,506,980.26 and 6,978,706.72 is: 10,468,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337,377.76 : 27,506,980.26 = 6,978,706.72 : x
  2. Step 2: Convert to fraction form
    18,337,377.76/27,506,980.26 = 6,978,706.72/x
  3. Step 3: Cross multiply
    18,337,377.76x = 27,506,980.26 × 6,978,706.72
  4. Step 4: Simplify right side
    18,337,377.76x = 191,963,147,987,369.34
  5. Step 5: Solve for x
    x = 191,963,147,987,369.34/18,337,377.76
  6. Step 6: Final answer
    x = 10,468,407.78

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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.