Home / 13,875,289.31-19,145,615.14-8,714,975.33

Finding the Fourth Proportional to 13,875,289.31, 19,145,615.14 and 8,714,975.33

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Solution

The fourth proportional to 13,875,289.31, 19,145,615.14 and 8,714,975.33 is: 12,025,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875,289.31 : 19,145,615.14 = 8,714,975.33 : x
  2. Step 2: Convert to fraction form
    13,875,289.31/19,145,615.14 = 8,714,975.33/x
  3. Step 3: Cross multiply
    13,875,289.31x = 19,145,615.14 × 8,714,975.33
  4. Step 4: Simplify right side
    13,875,289.31x = 166,853,563,622,774.50
  5. Step 5: Solve for x
    x = 166,853,563,622,774.50/13,875,289.31
  6. Step 6: Final answer
    x = 12,025,231.32

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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.