Home / 12,011,466.30-18,045,942.72-7,701,959.82

Finding the Fourth Proportional to 12,011,466.30, 18,045,942.72 and 7,701,959.82

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Solution

The fourth proportional to 12,011,466.30, 18,045,942.72 and 7,701,959.82 is: 11,571,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,466.30 : 18,045,942.72 = 7,701,959.82 : x
  2. Step 2: Convert to fraction form
    12,011,466.30/18,045,942.72 = 7,701,959.82/x
  3. Step 3: Cross multiply
    12,011,466.30x = 18,045,942.72 × 7,701,959.82
  4. Step 4: Simplify right side
    12,011,466.30x = 138,989,125,704,951.72
  5. Step 5: Solve for x
    x = 138,989,125,704,951.72/12,011,466.30
  6. Step 6: Final answer
    x = 11,571,370.41

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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.