Home / 11,835,921.76-16,332,641.76-7,251,619.84

Finding the Fourth Proportional to 11,835,921.76, 16,332,641.76 and 7,251,619.84

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Solution

The fourth proportional to 11,835,921.76, 16,332,641.76 and 7,251,619.84 is: 10,006,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835,921.76 : 16,332,641.76 = 7,251,619.84 : x
  2. Step 2: Convert to fraction form
    11,835,921.76/16,332,641.76 = 7,251,619.84/x
  3. Step 3: Cross multiply
    11,835,921.76x = 16,332,641.76 × 7,251,619.84
  4. Step 4: Simplify right side
    11,835,921.76x = 118,438,109,026,428.52
  5. Step 5: Solve for x
    x = 118,438,109,026,428.52/11,835,921.76
  6. Step 6: Final answer
    x = 10,006,665.42

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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.