Home / 9,295,940.60-12,828,709.54-5,166,145.82

Finding the Fourth Proportional to 9,295,940.60, 12,828,709.54 and 5,166,145.82

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Solution

The fourth proportional to 9,295,940.60, 12,828,709.54 and 5,166,145.82 is: 7,129,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,940.60 : 12,828,709.54 = 5,166,145.82 : x
  2. Step 2: Convert to fraction form
    9,295,940.60/12,828,709.54 = 5,166,145.82/x
  3. Step 3: Cross multiply
    9,295,940.60x = 12,828,709.54 × 5,166,145.82
  4. Step 4: Simplify right side
    9,295,940.60x = 66,274,984,101,921.58
  5. Step 5: Solve for x
    x = 66,274,984,101,921.58/9,295,940.60
  6. Step 6: Final answer
    x = 7,129,454.35

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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.