Home / 10,368,008.55-15,552,012.83-7,172,245.35

Finding the Fourth Proportional to 10,368,008.55, 15,552,012.83 and 7,172,245.35

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Solution

The fourth proportional to 10,368,008.55, 15,552,012.83 and 7,172,245.35 is: 10,758,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,008.55 : 15,552,012.83 = 7,172,245.35 : x
  2. Step 2: Convert to fraction form
    10,368,008.55/15,552,012.83 = 7,172,245.35/x
  3. Step 3: Cross multiply
    10,368,008.55x = 15,552,012.83 × 7,172,245.35
  4. Step 4: Simplify right side
    10,368,008.55x = 111,542,851,667,246.61
  5. Step 5: Solve for x
    x = 111,542,851,667,246.61/10,368,008.55
  6. Step 6: Final answer
    x = 10,758,368.03

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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.