Home / 20,747,340.36-28,630,165.02-11,580,573.60

Finding the Fourth Proportional to 20,747,340.36, 28,630,165.02 and 11,580,573.60

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Solution

The fourth proportional to 20,747,340.36, 28,630,165.02 and 11,580,573.60 is: 15,980,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,340.36 : 28,630,165.02 = 11,580,573.60 : x
  2. Step 2: Convert to fraction form
    20,747,340.36/28,630,165.02 = 11,580,573.60/x
  3. Step 3: Cross multiply
    20,747,340.36x = 28,630,165.02 × 11,580,573.60
  4. Step 4: Simplify right side
    20,747,340.36x = 331,553,733,194,255.44
  5. Step 5: Solve for x
    x = 331,553,733,194,255.44/20,747,340.36
  6. Step 6: Final answer
    x = 15,980,541.48

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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.