Home / 8,678,250.78-11,976,094.40-5,007,929.10

Finding the Fourth Proportional to 8,678,250.78, 11,976,094.40 and 5,007,929.10

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Solution

The fourth proportional to 8,678,250.78, 11,976,094.40 and 5,007,929.10 is: 6,911,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,250.78 : 11,976,094.40 = 5,007,929.10 : x
  2. Step 2: Convert to fraction form
    8,678,250.78/11,976,094.40 = 5,007,929.10/x
  3. Step 3: Cross multiply
    8,678,250.78x = 11,976,094.40 × 5,007,929.10
  4. Step 4: Simplify right side
    8,678,250.78x = 59,975,431,625,067.39
  5. Step 5: Solve for x
    x = 59,975,431,625,067.39/8,678,250.78
  6. Step 6: Final answer
    x = 6,911,004.67

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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.