Home / 51,769,863.72-71,443,907.28-28,566,484.92

Finding the Fourth Proportional to 51,769,863.72, 71,443,907.28 and 28,566,484.92

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Solution

The fourth proportional to 51,769,863.72, 71,443,907.28 and 28,566,484.92 is: 39,422,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769,863.72 : 71,443,907.28 = 28,566,484.92 : x
  2. Step 2: Convert to fraction form
    51,769,863.72/71,443,907.28 = 28,566,484.92/x
  3. Step 3: Cross multiply
    51,769,863.72x = 71,443,907.28 × 28,566,484.92
  4. Step 4: Simplify right side
    51,769,863.72x = 2,040,901,299,939,998.50
  5. Step 5: Solve for x
    x = 2,040,901,299,939,998.50/51,769,863.72
  6. Step 6: Final answer
    x = 39,422,574.32

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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.