Home / 13,157,360.68-19,753,945.66-7,404,158.76

Finding the Fourth Proportional to 13,157,360.68, 19,753,945.66 and 7,404,158.76

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Solution

The fourth proportional to 13,157,360.68, 19,753,945.66 and 7,404,158.76 is: 11,116,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,360.68 : 19,753,945.66 = 7,404,158.76 : x
  2. Step 2: Convert to fraction form
    13,157,360.68/19,753,945.66 = 7,404,158.76/x
  3. Step 3: Cross multiply
    13,157,360.68x = 19,753,945.66 × 7,404,158.76
  4. Step 4: Simplify right side
    13,157,360.68x = 146,261,349,803,052.97
  5. Step 5: Solve for x
    x = 146,261,349,803,052.97/13,157,360.68
  6. Step 6: Final answer
    x = 11,116,313.78

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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.