Home / 12,048,209.48-18,072,320.70-7,563,634.76

Finding the Fourth Proportional to 12,048,209.48, 18,072,320.70 and 7,563,634.76

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Solution

The fourth proportional to 12,048,209.48, 18,072,320.70 and 7,563,634.76 is: 11,345,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,209.48 : 18,072,320.70 = 7,563,634.76 : x
  2. Step 2: Convert to fraction form
    12,048,209.48/18,072,320.70 = 7,563,634.76/x
  3. Step 3: Cross multiply
    12,048,209.48x = 18,072,320.70 × 7,563,634.76
  4. Step 4: Simplify right side
    12,048,209.48x = 136,692,433,040,387.52
  5. Step 5: Solve for x
    x = 136,692,433,040,387.52/12,048,209.48
  6. Step 6: Final answer
    x = 11,345,456.21

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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.