Home / 7,117,874.55-10,678,632.51-2,069,185.05

Finding the Fourth Proportional to 7,117,874.55, 10,678,632.51 and 2,069,185.05

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Solution

The fourth proportional to 7,117,874.55, 10,678,632.51 and 2,069,185.05 is: 3,104,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,874.55 : 10,678,632.51 = 2,069,185.05 : x
  2. Step 2: Convert to fraction form
    7,117,874.55/10,678,632.51 = 2,069,185.05/x
  3. Step 3: Cross multiply
    7,117,874.55x = 10,678,632.51 × 2,069,185.05
  4. Step 4: Simplify right side
    7,117,874.55x = 22,096,066,744,135.98
  5. Step 5: Solve for x
    x = 22,096,066,744,135.98/7,117,874.55
  6. Step 6: Final answer
    x = 3,104,306.85

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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.