Home / 10,752,603.40-16,128,905.10-6,945,473.80

Finding the Fourth Proportional to 10,752,603.40, 16,128,905.10 and 6,945,473.80

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Solution

The fourth proportional to 10,752,603.40, 16,128,905.10 and 6,945,473.80 is: 10,418,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,603.40 : 16,128,905.10 = 6,945,473.80 : x
  2. Step 2: Convert to fraction form
    10,752,603.40/16,128,905.10 = 6,945,473.80/x
  3. Step 3: Cross multiply
    10,752,603.40x = 16,128,905.10 × 6,945,473.80
  4. Step 4: Simplify right side
    10,752,603.40x = 112,022,887,794,736.38
  5. Step 5: Solve for x
    x = 112,022,887,794,736.38/10,752,603.40
  6. Step 6: Final answer
    x = 10,418,210.70

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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.