Home / 13,508,192.52-18,641,313.41-7,313,240.84

Finding the Fourth Proportional to 13,508,192.52, 18,641,313.41 and 7,313,240.84

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Solution

The fourth proportional to 13,508,192.52, 18,641,313.41 and 7,313,240.84 is: 10,092,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,192.52 : 18,641,313.41 = 7,313,240.84 : x
  2. Step 2: Convert to fraction form
    13,508,192.52/18,641,313.41 = 7,313,240.84/x
  3. Step 3: Cross multiply
    13,508,192.52x = 18,641,313.41 × 7,313,240.84
  4. Step 4: Simplify right side
    13,508,192.52x = 136,328,414,411,478.91
  5. Step 5: Solve for x
    x = 136,328,414,411,478.91/13,508,192.52
  6. Step 6: Final answer
    x = 10,092,276.54

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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.