Home / 10,935,007.70-16,402,511.55-7,321,208.90

Finding the Fourth Proportional to 10,935,007.70, 16,402,511.55 and 7,321,208.90

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Solution

The fourth proportional to 10,935,007.70, 16,402,511.55 and 7,321,208.90 is: 10,981,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,007.70 : 16,402,511.55 = 7,321,208.90 : x
  2. Step 2: Convert to fraction form
    10,935,007.70/16,402,511.55 = 7,321,208.90/x
  3. Step 3: Cross multiply
    10,935,007.70x = 16,402,511.55 × 7,321,208.90
  4. Step 4: Simplify right side
    10,935,007.70x = 120,086,213,542,212.81
  5. Step 5: Solve for x
    x = 120,086,213,542,212.81/10,935,007.70
  6. Step 6: Final answer
    x = 10,981,813.35

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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.