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Finding the Fourth Proportional to 18,151,824.25, 25,050,042.71 and 10,003,587.13

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Solution

The fourth proportional to 18,151,824.25, 25,050,042.71 and 10,003,587.13 is: 13,805,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,824.25 : 25,050,042.71 = 10,003,587.13 : x
  2. Step 2: Convert to fraction form
    18,151,824.25/25,050,042.71 = 10,003,587.13/x
  3. Step 3: Cross multiply
    18,151,824.25x = 25,050,042.71 × 10,003,587.13
  4. Step 4: Simplify right side
    18,151,824.25x = 250,590,284,809,688.38
  5. Step 5: Solve for x
    x = 250,590,284,809,688.38/18,151,824.25
  6. Step 6: Final answer
    x = 13,805,239.70

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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.