Home / 20,144,495.37-27,799,439.04-10,977,138.12

Finding the Fourth Proportional to 20,144,495.37, 27,799,439.04 and 10,977,138.12

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Solution

The fourth proportional to 20,144,495.37, 27,799,439.04 and 10,977,138.12 is: 15,148,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,495.37 : 27,799,439.04 = 10,977,138.12 : x
  2. Step 2: Convert to fraction form
    20,144,495.37/27,799,439.04 = 10,977,138.12/x
  3. Step 3: Cross multiply
    20,144,495.37x = 27,799,439.04 × 10,977,138.12
  4. Step 4: Simplify right side
    20,144,495.37x = 305,158,282,000,600.19
  5. Step 5: Solve for x
    x = 305,158,282,000,600.19/20,144,495.37
  6. Step 6: Final answer
    x = 15,148,469.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.