Home / 11,942,605.71-17,910,438.05-4,654,443.40

Finding the Fourth Proportional to 11,942,605.71, 17,910,438.05 and 4,654,443.40

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Solution

The fourth proportional to 11,942,605.71, 17,910,438.05 and 4,654,443.40 is: 6,980,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942,605.71 : 17,910,438.05 = 4,654,443.40 : x
  2. Step 2: Convert to fraction form
    11,942,605.71/17,910,438.05 = 4,654,443.40/x
  3. Step 3: Cross multiply
    11,942,605.71x = 17,910,438.05 × 4,654,443.40
  4. Step 4: Simplify right side
    11,942,605.71x = 83,363,120,139,791.38
  5. Step 5: Solve for x
    x = 83,363,120,139,791.38/11,942,605.71
  6. Step 6: Final answer
    x = 6,980,312.52

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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.