Home / 20,424,178.35-28,185,537.20-11,256,844.59

Finding the Fourth Proportional to 20,424,178.35, 28,185,537.20 and 11,256,844.59

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Solution

The fourth proportional to 20,424,178.35, 28,185,537.20 and 11,256,844.59 is: 15,534,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,178.35 : 28,185,537.20 = 11,256,844.59 : x
  2. Step 2: Convert to fraction form
    20,424,178.35/28,185,537.20 = 11,256,844.59/x
  3. Step 3: Cross multiply
    20,424,178.35x = 28,185,537.20 × 11,256,844.59
  4. Step 4: Simplify right side
    20,424,178.35x = 317,280,211,889,779.50
  5. Step 5: Solve for x
    x = 317,280,211,889,779.50/20,424,178.35
  6. Step 6: Final answer
    x = 15,534,539.82

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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.