Home / 13,534,874.08-18,678,270-7,339,932.88

Finding the Fourth Proportional to 13,534,874.08, 18,678,270 and 7,339,932.88

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Solution

The fourth proportional to 13,534,874.08, 18,678,270 and 7,339,932.88 is: 10,129,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534,874.08 : 18,678,270 = 7,339,932.88 : x
  2. Step 2: Convert to fraction form
    13,534,874.08/18,678,270 = 7,339,932.88/x
  3. Step 3: Cross multiply
    13,534,874.08x = 18,678,270 × 7,339,932.88
  4. Step 4: Simplify right side
    13,534,874.08x = 137,097,248,114,517.59
  5. Step 5: Solve for x
    x = 137,097,248,114,517.59/13,534,874.08
  6. Step 6: Final answer
    x = 10,129,185.34

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1.5x scale

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.