Home / 10,333,102.96-15,491,932.44-7,129,086.40

Finding the Fourth Proportional to 10,333,102.96, 15,491,932.44 and 7,129,086.40

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Solution

The fourth proportional to 10,333,102.96, 15,491,932.44 and 7,129,086.40 is: 10,688,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333,102.96 : 15,491,932.44 = 7,129,086.40 : x
  2. Step 2: Convert to fraction form
    10,333,102.96/15,491,932.44 = 7,129,086.40/x
  3. Step 3: Cross multiply
    10,333,102.96x = 15,491,932.44 × 7,129,086.40
  4. Step 4: Simplify right side
    10,333,102.96x = 110,443,324,867,722.81
  5. Step 5: Solve for x
    x = 110,443,324,867,722.81/10,333,102.96
  6. Step 6: Final answer
    x = 10,688,301.98

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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.