Home / 20,941,387.30-31,415,033.40-6,562,955.80

Finding the Fourth Proportional to 20,941,387.30, 31,415,033.40 and 6,562,955.80

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Solution

The fourth proportional to 20,941,387.30, 31,415,033.40 and 6,562,955.80 is: 9,845,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,387.30 : 31,415,033.40 = 6,562,955.80 : x
  2. Step 2: Convert to fraction form
    20,941,387.30/31,415,033.40 = 6,562,955.80/x
  3. Step 3: Cross multiply
    20,941,387.30x = 31,415,033.40 × 6,562,955.80
  4. Step 4: Simplify right side
    20,941,387.30x = 206,175,475,659,723.72
  5. Step 5: Solve for x
    x = 206,175,475,659,723.72/20,941,387.30
  6. Step 6: Final answer
    x = 9,845,358.99

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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.