Home / 13,082,902.79-18,054,223.85-7,281,686.03

Finding the Fourth Proportional to 13,082,902.79, 18,054,223.85 and 7,281,686.03

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Solution

The fourth proportional to 13,082,902.79, 18,054,223.85 and 7,281,686.03 is: 10,048,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,902.79 : 18,054,223.85 = 7,281,686.03 : x
  2. Step 2: Convert to fraction form
    13,082,902.79/18,054,223.85 = 7,281,686.03/x
  3. Step 3: Cross multiply
    13,082,902.79x = 18,054,223.85 × 7,281,686.03
  4. Step 4: Simplify right side
    13,082,902.79x = 131,465,189,518,970.91
  5. Step 5: Solve for x
    x = 131,465,189,518,970.91/13,082,902.79
  6. Step 6: Final answer
    x = 10,048,625.42

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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.