Home / 8,657,627.12-11,947,367.96-4,790,148.28

Finding the Fourth Proportional to 8,657,627.12, 11,947,367.96 and 4,790,148.28

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Solution

The fourth proportional to 8,657,627.12, 11,947,367.96 and 4,790,148.28 is: 6,610,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,627.12 : 11,947,367.96 = 4,790,148.28 : x
  2. Step 2: Convert to fraction form
    8,657,627.12/11,947,367.96 = 4,790,148.28/x
  3. Step 3: Cross multiply
    8,657,627.12x = 11,947,367.96 × 4,790,148.28
  4. Step 4: Simplify right side
    8,657,627.12x = 57,229,664,084,121.12
  5. Step 5: Solve for x
    x = 57,229,664,084,121.12/8,657,627.12
  6. Step 6: Final answer
    x = 6,610,317.50

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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.