Home / 14,914,945.65-20,570,964.62-9,689,637.41

Finding the Fourth Proportional to 14,914,945.65, 20,570,964.62 and 9,689,637.41

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Solution

The fourth proportional to 14,914,945.65, 20,570,964.62 and 9,689,637.41 is: 13,364,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914,945.65 : 20,570,964.62 = 9,689,637.41 : x
  2. Step 2: Convert to fraction form
    14,914,945.65/20,570,964.62 = 9,689,637.41/x
  3. Step 3: Cross multiply
    14,914,945.65x = 20,570,964.62 × 9,689,637.41
  4. Step 4: Simplify right side
    14,914,945.65x = 199,325,188,341,738.44
  5. Step 5: Solve for x
    x = 199,325,188,341,738.44/14,914,945.65
  6. Step 6: Final answer
    x = 13,364,124.35

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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.