Home / 13,434,328.80-20,145,735.12-6,245,112.48

Finding the Fourth Proportional to 13,434,328.80, 20,145,735.12 and 6,245,112.48

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Solution

The fourth proportional to 13,434,328.80, 20,145,735.12 and 6,245,112.48 is: 9,364,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,328.80 : 20,145,735.12 = 6,245,112.48 : x
  2. Step 2: Convert to fraction form
    13,434,328.80/20,145,735.12 = 6,245,112.48/x
  3. Step 3: Cross multiply
    13,434,328.80x = 20,145,735.12 × 6,245,112.48
  4. Step 4: Simplify right side
    13,434,328.80x = 125,812,381,816,686.31
  5. Step 5: Solve for x
    x = 125,812,381,816,686.31/13,434,328.80
  6. Step 6: Final answer
    x = 9,364,992.01

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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.