Home / 7,856,360.64-11,787,419.60-3,308,554.28

Finding the Fourth Proportional to 7,856,360.64, 11,787,419.60 and 3,308,554.28

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Solution

The fourth proportional to 7,856,360.64, 11,787,419.60 and 3,308,554.28 is: 4,964,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,360.64 : 11,787,419.60 = 3,308,554.28 : x
  2. Step 2: Convert to fraction form
    7,856,360.64/11,787,419.60 = 3,308,554.28/x
  3. Step 3: Cross multiply
    7,856,360.64x = 11,787,419.60 × 3,308,554.28
  4. Step 4: Simplify right side
    7,856,360.64x = 38,999,317,593,068.75
  5. Step 5: Solve for x
    x = 38,999,317,593,068.75/7,856,360.64
  6. Step 6: Final answer
    x = 4,964,043.71

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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.