Home / 20,710,583.44-28,580,636.64-11,543,029.36

Finding the Fourth Proportional to 20,710,583.44, 28,580,636.64 and 11,543,029.36

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Solution

The fourth proportional to 20,710,583.44, 28,580,636.64 and 11,543,029.36 is: 15,929,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,583.44 : 28,580,636.64 = 11,543,029.36 : x
  2. Step 2: Convert to fraction form
    20,710,583.44/28,580,636.64 = 11,543,029.36/x
  3. Step 3: Cross multiply
    20,710,583.44x = 28,580,636.64 × 11,543,029.36
  4. Step 4: Simplify right side
    20,710,583.44x = 329,907,127,863,011.75
  5. Step 5: Solve for x
    x = 329,907,127,863,011.75/20,710,583.44
  6. Step 6: Final answer
    x = 15,929,398.07

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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.