Home / 10,279,869.84-15,416,441.48-4,813,272.58

Finding the Fourth Proportional to 10,279,869.84, 15,416,441.48 and 4,813,272.58

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Solution

The fourth proportional to 10,279,869.84, 15,416,441.48 and 4,813,272.58 is: 7,218,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,869.84 : 15,416,441.48 = 4,813,272.58 : x
  2. Step 2: Convert to fraction form
    10,279,869.84/15,416,441.48 = 4,813,272.58/x
  3. Step 3: Cross multiply
    10,279,869.84x = 15,416,441.48 × 4,813,272.58
  4. Step 4: Simplify right side
    10,279,869.84x = 74,203,535,056,858.62
  5. Step 5: Solve for x
    x = 74,203,535,056,858.62/10,279,869.84
  6. Step 6: Final answer
    x = 7,218,334.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.