Home / 28,790,432.71-43,185,649.19-9,621,189.77

Finding the Fourth Proportional to 28,790,432.71, 43,185,649.19 and 9,621,189.77

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Solution

The fourth proportional to 28,790,432.71, 43,185,649.19 and 9,621,189.77 is: 14,431,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790,432.71 : 43,185,649.19 = 9,621,189.77 : x
  2. Step 2: Convert to fraction form
    28,790,432.71/43,185,649.19 = 9,621,189.77/x
  3. Step 3: Cross multiply
    28,790,432.71x = 43,185,649.19 × 9,621,189.77
  4. Step 4: Simplify right side
    28,790,432.71x = 415,497,325,933,602.62
  5. Step 5: Solve for x
    x = 415,497,325,933,602.62/28,790,432.71
  6. Step 6: Final answer
    x = 14,431,784.69

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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.