Home / 21,551,161.44-29,736,686.80-12,732,048.52

Finding the Fourth Proportional to 21,551,161.44, 29,736,686.80 and 12,732,048.52

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Solution

The fourth proportional to 21,551,161.44, 29,736,686.80 and 12,732,048.52 is: 17,567,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,161.44 : 29,736,686.80 = 12,732,048.52 : x
  2. Step 2: Convert to fraction form
    21,551,161.44/29,736,686.80 = 12,732,048.52/x
  3. Step 3: Cross multiply
    21,551,161.44x = 29,736,686.80 × 12,732,048.52
  4. Step 4: Simplify right side
    21,551,161.44x = 378,608,939,161,643.56
  5. Step 5: Solve for x
    x = 378,608,939,161,643.56/21,551,161.44
  6. Step 6: Final answer
    x = 17,567,913.46

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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.