Home / 15,542,497-21,448,645.86-9,103,969

Finding the Fourth Proportional to 15,542,497, 21,448,645.86 and 9,103,969

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Solution

The fourth proportional to 15,542,497, 21,448,645.86 and 9,103,969 is: 12,563,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542,497 : 21,448,645.86 = 9,103,969 : x
  2. Step 2: Convert to fraction form
    15,542,497/21,448,645.86 = 9,103,969/x
  3. Step 3: Cross multiply
    15,542,497x = 21,448,645.86 × 9,103,969
  4. Step 4: Simplify right side
    15,542,497x = 195,267,807,001,418.34
  5. Step 5: Solve for x
    x = 195,267,807,001,418.34/15,542,497
  6. Step 6: Final answer
    x = 12,563,477.22

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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.