Home / 7,678,066.88-11,524,080-4,086,837.92

Finding the Fourth Proportional to 7,678,066.88, 11,524,080 and 4,086,837.92

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Solution

The fourth proportional to 7,678,066.88, 11,524,080 and 4,086,837.92 is: 6,133,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,066.88 : 11,524,080 = 4,086,837.92 : x
  2. Step 2: Convert to fraction form
    7,678,066.88/11,524,080 = 4,086,837.92/x
  3. Step 3: Cross multiply
    7,678,066.88x = 11,524,080 × 4,086,837.92
  4. Step 4: Simplify right side
    7,678,066.88x = 47,097,047,137,113.60
  5. Step 5: Solve for x
    x = 47,097,047,137,113.60/7,678,066.88
  6. Step 6: Final answer
    x = 6,133,971.98

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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.