Home / 21,776,476-30,052,330.46-11,852,879.26

Finding the Fourth Proportional to 21,776,476, 30,052,330.46 and 11,852,879.26

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Solution

The fourth proportional to 21,776,476, 30,052,330.46 and 11,852,879.26 is: 16,357,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776,476 : 30,052,330.46 = 11,852,879.26 : x
  2. Step 2: Convert to fraction form
    21,776,476/30,052,330.46 = 11,852,879.26/x
  3. Step 3: Cross multiply
    21,776,476x = 30,052,330.46 × 11,852,879.26
  4. Step 4: Simplify right side
    21,776,476x = 356,206,644,424,000.25
  5. Step 5: Solve for x
    x = 356,206,644,424,000.25/21,776,476
  6. Step 6: Final answer
    x = 16,357,405.32

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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.