Home / 14,815,048.52-20,445,560.96-8,288,288.64

Finding the Fourth Proportional to 14,815,048.52, 20,445,560.96 and 8,288,288.64

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Solution

The fourth proportional to 14,815,048.52, 20,445,560.96 and 8,288,288.64 is: 11,438,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815,048.52 : 20,445,560.96 = 8,288,288.64 : x
  2. Step 2: Convert to fraction form
    14,815,048.52/20,445,560.96 = 8,288,288.64/x
  3. Step 3: Cross multiply
    14,815,048.52x = 20,445,560.96 × 8,288,288.64
  4. Step 4: Simplify right side
    14,815,048.52x = 169,458,710,643,195.50
  5. Step 5: Solve for x
    x = 169,458,710,643,195.50/14,815,048.52
  6. Step 6: Final answer
    x = 11,438,282.53

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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.