Home / 13,725,924.86-18,941,600.31-7,446,359.90

Finding the Fourth Proportional to 13,725,924.86, 18,941,600.31 and 7,446,359.90

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Solution

The fourth proportional to 13,725,924.86, 18,941,600.31 and 7,446,359.90 is: 10,275,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,924.86 : 18,941,600.31 = 7,446,359.90 : x
  2. Step 2: Convert to fraction form
    13,725,924.86/18,941,600.31 = 7,446,359.90/x
  3. Step 3: Cross multiply
    13,725,924.86x = 18,941,600.31 × 7,446,359.90
  4. Step 4: Simplify right side
    13,725,924.86x = 141,045,972,990,211.56
  5. Step 5: Solve for x
    x = 141,045,972,990,211.56/13,725,924.86
  6. Step 6: Final answer
    x = 10,275,881.18

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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.