Home / 27,288,940.40-40,905,854.40-13,621,065.20

Finding the Fourth Proportional to 27,288,940.40, 40,905,854.40 and 13,621,065.20

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Solution

The fourth proportional to 27,288,940.40, 40,905,854.40 and 13,621,065.20 is: 20,417,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288,940.40 : 40,905,854.40 = 13,621,065.20 : x
  2. Step 2: Convert to fraction form
    27,288,940.40/40,905,854.40 = 13,621,065.20/x
  3. Step 3: Cross multiply
    27,288,940.40x = 40,905,854.40 × 13,621,065.20
  4. Step 4: Simplify right side
    27,288,940.40x = 557,181,309,844,106.81
  5. Step 5: Solve for x
    x = 557,181,309,844,106.81/27,288,940.40
  6. Step 6: Final answer
    x = 20,417,843.33

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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.