Home / 8,138,843.84-11,232,774.40-4,875,797.76

Finding the Fourth Proportional to 8,138,843.84, 11,232,774.40 and 4,875,797.76

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Solution

The fourth proportional to 8,138,843.84, 11,232,774.40 and 4,875,797.76 is: 6,729,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,843.84 : 11,232,774.40 = 4,875,797.76 : x
  2. Step 2: Convert to fraction form
    8,138,843.84/11,232,774.40 = 4,875,797.76/x
  3. Step 3: Cross multiply
    8,138,843.84x = 11,232,774.40 × 4,875,797.76
  4. Step 4: Simplify right side
    8,138,843.84x = 54,768,736,258,105.34
  5. Step 5: Solve for x
    x = 54,768,736,258,105.34/8,138,843.84
  6. Step 6: Final answer
    x = 6,729,301.77

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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.