Home / 13,935,975.72-19,230,996.60-7,741,423.92

Finding the Fourth Proportional to 13,935,975.72, 19,230,996.60 and 7,741,423.92

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Solution

The fourth proportional to 13,935,975.72, 19,230,996.60 and 7,741,423.92 is: 10,682,803.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,975.72 : 19,230,996.60 = 7,741,423.92 : x
  2. Step 2: Convert to fraction form
    13,935,975.72/19,230,996.60 = 7,741,423.92/x
  3. Step 3: Cross multiply
    13,935,975.72x = 19,230,996.60 × 7,741,423.92
  4. Step 4: Simplify right side
    13,935,975.72x = 148,875,297,084,678.69
  5. Step 5: Solve for x
    x = 148,875,297,084,678.69/13,935,975.72
  6. Step 6: Final answer
    x = 10,682,803.99

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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.