Home / 13,907,053.89-20,866,574.84-7,521,801.21

Finding the Fourth Proportional to 13,907,053.89, 20,866,574.84 and 7,521,801.21

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Solution

The fourth proportional to 13,907,053.89, 20,866,574.84 and 7,521,801.21 is: 11,285,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,053.89 : 20,866,574.84 = 7,521,801.21 : x
  2. Step 2: Convert to fraction form
    13,907,053.89/20,866,574.84 = 7,521,801.21/x
  3. Step 3: Cross multiply
    13,907,053.89x = 20,866,574.84 × 7,521,801.21
  4. Step 4: Simplify right side
    13,907,053.89x = 156,954,227,842,458.56
  5. Step 5: Solve for x
    x = 156,954,227,842,458.56/13,907,053.89
  6. Step 6: Final answer
    x = 11,285,943.74

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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.