Home / 7,181,145.90-10,771,718.85-3,402,009.90

Finding the Fourth Proportional to 7,181,145.90, 10,771,718.85 and 3,402,009.90

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Solution

The fourth proportional to 7,181,145.90, 10,771,718.85 and 3,402,009.90 is: 5,103,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,145.90 : 10,771,718.85 = 3,402,009.90 : x
  2. Step 2: Convert to fraction form
    7,181,145.90/10,771,718.85 = 3,402,009.90/x
  3. Step 3: Cross multiply
    7,181,145.90x = 10,771,718.85 × 3,402,009.90
  4. Step 4: Simplify right side
    7,181,145.90x = 36,645,494,167,716.61
  5. Step 5: Solve for x
    x = 36,645,494,167,716.61/7,181,145.90
  6. Step 6: Final answer
    x = 5,103,014.85

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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.