Home / 13,959,674.16-20,950,708.80-7,230,012.72

Finding the Fourth Proportional to 13,959,674.16, 20,950,708.80 and 7,230,012.72

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Solution

The fourth proportional to 13,959,674.16, 20,950,708.80 and 7,230,012.72 is: 10,850,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959,674.16 : 20,950,708.80 = 7,230,012.72 : x
  2. Step 2: Convert to fraction form
    13,959,674.16/20,950,708.80 = 7,230,012.72/x
  3. Step 3: Cross multiply
    13,959,674.16x = 20,950,708.80 × 7,230,012.72
  4. Step 4: Simplify right side
    13,959,674.16x = 151,473,891,117,015.94
  5. Step 5: Solve for x
    x = 151,473,891,117,015.94/13,959,674.16
  6. Step 6: Final answer
    x = 10,850,818.53

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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.