Home / 18,825,273.51-28,249,853.72-8,042,655.57

Finding the Fourth Proportional to 18,825,273.51, 28,249,853.72 and 8,042,655.57

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Solution

The fourth proportional to 18,825,273.51, 28,249,853.72 and 8,042,655.57 is: 12,069,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,273.51 : 28,249,853.72 = 8,042,655.57 : x
  2. Step 2: Convert to fraction form
    18,825,273.51/28,249,853.72 = 8,042,655.57/x
  3. Step 3: Cross multiply
    18,825,273.51x = 28,249,853.72 × 8,042,655.57
  4. Step 4: Simplify right side
    18,825,273.51x = 227,203,843,332,629.94
  5. Step 5: Solve for x
    x = 227,203,843,332,629.94/18,825,273.51
  6. Step 6: Final answer
    x = 12,069,085.91

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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.