Home / 15,614,548.80-21,545,506.40-9,809,219.32

Finding the Fourth Proportional to 15,614,548.80, 21,545,506.40 and 9,809,219.32

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Solution

The fourth proportional to 15,614,548.80, 21,545,506.40 and 9,809,219.32 is: 13,535,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,548.80 : 21,545,506.40 = 9,809,219.32 : x
  2. Step 2: Convert to fraction form
    15,614,548.80/21,545,506.40 = 9,809,219.32/x
  3. Step 3: Cross multiply
    15,614,548.80x = 21,545,506.40 × 9,809,219.32
  4. Step 4: Simplify right side
    15,614,548.80x = 211,344,597,638,063.62
  5. Step 5: Solve for x
    x = 211,344,597,638,063.62/15,614,548.80
  6. Step 6: Final answer
    x = 13,535,107.57

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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.