Home / 7,657,462.88-11,479,242.18-3,820,458.86

Finding the Fourth Proportional to 7,657,462.88, 11,479,242.18 and 3,820,458.86

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Solution

The fourth proportional to 7,657,462.88, 11,479,242.18 and 3,820,458.86 is: 5,727,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,462.88 : 11,479,242.18 = 3,820,458.86 : x
  2. Step 2: Convert to fraction form
    7,657,462.88/11,479,242.18 = 3,820,458.86/x
  3. Step 3: Cross multiply
    7,657,462.88x = 11,479,242.18 × 3,820,458.86
  4. Step 4: Simplify right side
    7,657,462.88x = 43,855,972,492,666.71
  5. Step 5: Solve for x
    x = 43,855,972,492,666.71/7,657,462.88
  6. Step 6: Final answer
    x = 5,727,219.73

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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.