Home / 13,112,691.40-19,669,620.30-4,476,665.80

Finding the Fourth Proportional to 13,112,691.40, 19,669,620.30 and 4,476,665.80

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Solution

The fourth proportional to 13,112,691.40, 19,669,620.30 and 4,476,665.80 is: 6,715,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,691.40 : 19,669,620.30 = 4,476,665.80 : x
  2. Step 2: Convert to fraction form
    13,112,691.40/19,669,620.30 = 4,476,665.80/x
  3. Step 3: Cross multiply
    13,112,691.40x = 19,669,620.30 × 4,476,665.80
  4. Step 4: Simplify right side
    13,112,691.40x = 88,054,316,495,995.73
  5. Step 5: Solve for x
    x = 88,054,316,495,995.73/13,112,691.40
  6. Step 6: Final answer
    x = 6,715,197.80

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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.