Home / 13,728,330.32-18,945,098.17-7,616,744.24

Finding the Fourth Proportional to 13,728,330.32, 18,945,098.17 and 7,616,744.24

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Solution

The fourth proportional to 13,728,330.32, 18,945,098.17 and 7,616,744.24 is: 10,511,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,330.32 : 18,945,098.17 = 7,616,744.24 : x
  2. Step 2: Convert to fraction form
    13,728,330.32/18,945,098.17 = 7,616,744.24/x
  3. Step 3: Cross multiply
    13,728,330.32x = 18,945,098.17 × 7,616,744.24
  4. Step 4: Simplify right side
    13,728,330.32x = 144,299,967,248,814.69
  5. Step 5: Solve for x
    x = 144,299,967,248,814.69/13,728,330.32
  6. Step 6: Final answer
    x = 10,511,108.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.