Home / 21,149,763.24-31,725,329.34-10,068,427.56

Finding the Fourth Proportional to 21,149,763.24, 31,725,329.34 and 10,068,427.56

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Solution

The fourth proportional to 21,149,763.24, 31,725,329.34 and 10,068,427.56 is: 15,102,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,149,763.24 : 31,725,329.34 = 10,068,427.56 : x
  2. Step 2: Convert to fraction form
    21,149,763.24/31,725,329.34 = 10,068,427.56/x
  3. Step 3: Cross multiply
    21,149,763.24x = 31,725,329.34 × 10,068,427.56
  4. Step 4: Simplify right side
    21,149,763.24x = 319,424,180,276,932.62
  5. Step 5: Solve for x
    x = 319,424,180,276,932.62/21,149,763.24
  6. Step 6: Final answer
    x = 15,102,967.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.