Home / 13,636,313.72-20,449,154.74-5,111,999

Finding the Fourth Proportional to 13,636,313.72, 20,449,154.74 and 5,111,999

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Solution

The fourth proportional to 13,636,313.72, 20,449,154.74 and 5,111,999 is: 7,666,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,313.72 : 20,449,154.74 = 5,111,999 : x
  2. Step 2: Convert to fraction form
    13,636,313.72/20,449,154.74 = 5,111,999/x
  3. Step 3: Cross multiply
    13,636,313.72x = 20,449,154.74 × 5,111,999
  4. Step 4: Simplify right side
    13,636,313.72x = 104,536,058,581,725.25
  5. Step 5: Solve for x
    x = 104,536,058,581,725.25/13,636,313.72
  6. Step 6: Final answer
    x = 7,666,005.69

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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.