Home / 18,725,766.36-28,088,649.20-5,262,594.36

Finding the Fourth Proportional to 18,725,766.36, 28,088,649.20 and 5,262,594.36

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Solution

The fourth proportional to 18,725,766.36, 28,088,649.20 and 5,262,594.36 is: 7,893,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,766.36 : 28,088,649.20 = 5,262,594.36 : x
  2. Step 2: Convert to fraction form
    18,725,766.36/28,088,649.20 = 5,262,594.36/x
  3. Step 3: Cross multiply
    18,725,766.36x = 28,088,649.20 × 5,262,594.36
  4. Step 4: Simplify right side
    18,725,766.36x = 147,819,166,859,938.53
  5. Step 5: Solve for x
    x = 147,819,166,859,938.53/18,725,766.36
  6. Step 6: Final answer
    x = 7,893,891.44

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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.