Home / 7,415,815.80-11,123,723.70-3,154,913.40

Finding the Fourth Proportional to 7,415,815.80, 11,123,723.70 and 3,154,913.40

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Solution

The fourth proportional to 7,415,815.80, 11,123,723.70 and 3,154,913.40 is: 4,732,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,815.80 : 11,123,723.70 = 3,154,913.40 : x
  2. Step 2: Convert to fraction form
    7,415,815.80/11,123,723.70 = 3,154,913.40/x
  3. Step 3: Cross multiply
    7,415,815.80x = 11,123,723.70 × 3,154,913.40
  4. Step 4: Simplify right side
    7,415,815.80x = 35,094,384,959,027.58
  5. Step 5: Solve for x
    x = 35,094,384,959,027.58/7,415,815.80
  6. Step 6: Final answer
    x = 4,732,370.10

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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.