Home / 13,082,892.66-18,054,209.88-7,281,675.90

Finding the Fourth Proportional to 13,082,892.66, 18,054,209.88 and 7,281,675.90

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Solution

The fourth proportional to 13,082,892.66, 18,054,209.88 and 7,281,675.90 is: 10,048,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,892.66 : 18,054,209.88 = 7,281,675.90 : x
  2. Step 2: Convert to fraction form
    13,082,892.66/18,054,209.88 = 7,281,675.90/x
  3. Step 3: Cross multiply
    13,082,892.66x = 18,054,209.88 × 7,281,675.90
  4. Step 4: Simplify right side
    13,082,892.66x = 131,464,904,976,737.89
  5. Step 5: Solve for x
    x = 131,464,904,976,737.89/13,082,892.66
  6. Step 6: Final answer
    x = 10,048,611.45

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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.