Home / 18,558,331.84-25,610,445.52-10,299,640.96

Finding the Fourth Proportional to 18,558,331.84, 25,610,445.52 and 10,299,640.96

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Solution

The fourth proportional to 18,558,331.84, 25,610,445.52 and 10,299,640.96 is: 14,213,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558,331.84 : 25,610,445.52 = 10,299,640.96 : x
  2. Step 2: Convert to fraction form
    18,558,331.84/25,610,445.52 = 10,299,640.96/x
  3. Step 3: Cross multiply
    18,558,331.84x = 25,610,445.52 × 10,299,640.96
  4. Step 4: Simplify right side
    18,558,331.84x = 263,778,393,681,640.53
  5. Step 5: Solve for x
    x = 263,778,393,681,640.53/18,558,331.84
  6. Step 6: Final answer
    x = 14,213,475.43

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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.