Home / 8,795,322.21-12,137,992.64-5,072,768.87

Finding the Fourth Proportional to 8,795,322.21, 12,137,992.64 and 5,072,768.87

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Solution

The fourth proportional to 8,795,322.21, 12,137,992.64 and 5,072,768.87 is: 7,000,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795,322.21 : 12,137,992.64 = 5,072,768.87 : x
  2. Step 2: Convert to fraction form
    8,795,322.21/12,137,992.64 = 5,072,768.87/x
  3. Step 3: Cross multiply
    8,795,322.21x = 12,137,992.64 × 5,072,768.87
  4. Step 4: Simplify right side
    8,795,322.21x = 61,573,231,152,772.29
  5. Step 5: Solve for x
    x = 61,573,231,152,772.29/8,795,322.21
  6. Step 6: Final answer
    x = 7,000,679.42

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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.