Home / 7,161,154.35-9,882,610.65-5,071,740

Finding the Fourth Proportional to 7,161,154.35, 9,882,610.65 and 5,071,740

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Solution

The fourth proportional to 7,161,154.35, 9,882,610.65 and 5,071,740 is: 6,999,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,154.35 : 9,882,610.65 = 5,071,740 : x
  2. Step 2: Convert to fraction form
    7,161,154.35/9,882,610.65 = 5,071,740/x
  3. Step 3: Cross multiply
    7,161,154.35x = 9,882,610.65 × 5,071,740
  4. Step 4: Simplify right side
    7,161,154.35x = 50,122,031,738,031
  5. Step 5: Solve for x
    x = 50,122,031,738,031/7,161,154.35
  6. Step 6: Final answer
    x = 6,999,155.34

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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.