Home / 7,161,050.76-9,882,510.84-3,897,707.76

Finding the Fourth Proportional to 7,161,050.76, 9,882,510.84 and 3,897,707.76

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Solution

The fourth proportional to 7,161,050.76, 9,882,510.84 and 3,897,707.76 is: 5,378,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,050.76 : 9,882,510.84 = 3,897,707.76 : x
  2. Step 2: Convert to fraction form
    7,161,050.76/9,882,510.84 = 3,897,707.76/x
  3. Step 3: Cross multiply
    7,161,050.76x = 9,882,510.84 × 3,897,707.76
  4. Step 4: Simplify right side
    7,161,050.76x = 38,519,139,189,352.12
  5. Step 5: Solve for x
    x = 38,519,139,189,352.12/7,161,050.76
  6. Step 6: Final answer
    x = 5,378,978.66

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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.