Home / 7,576,579.40-10,455,904.50-4,138,877.48

Finding the Fourth Proportional to 7,576,579.40, 10,455,904.50 and 4,138,877.48

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Solution

The fourth proportional to 7,576,579.40, 10,455,904.50 and 4,138,877.48 is: 5,711,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576,579.40 : 10,455,904.50 = 4,138,877.48 : x
  2. Step 2: Convert to fraction form
    7,576,579.40/10,455,904.50 = 4,138,877.48/x
  3. Step 3: Cross multiply
    7,576,579.40x = 10,455,904.50 × 4,138,877.48
  4. Step 4: Simplify right side
    7,576,579.40x = 43,275,707,668,080.66
  5. Step 5: Solve for x
    x = 43,275,707,668,080.66/7,576,579.40
  6. Step 6: Final answer
    x = 5,711,773.79

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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.