Home / 8,521,819.77-11,759,929.36-4,654,356.51

Finding the Fourth Proportional to 8,521,819.77, 11,759,929.36 and 4,654,356.51

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Solution

The fourth proportional to 8,521,819.77, 11,759,929.36 and 4,654,356.51 is: 6,422,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,819.77 : 11,759,929.36 = 4,654,356.51 : x
  2. Step 2: Convert to fraction form
    8,521,819.77/11,759,929.36 = 4,654,356.51/x
  3. Step 3: Cross multiply
    8,521,819.77x = 11,759,929.36 × 4,654,356.51
  4. Step 4: Simplify right side
    8,521,819.77x = 54,734,903,773,856.12
  5. Step 5: Solve for x
    x = 54,734,903,773,856.12/8,521,819.77
  6. Step 6: Final answer
    x = 6,422,912.62

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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.