Home / 13,521,504.72-18,659,823.48-7,409,802

Finding the Fourth Proportional to 13,521,504.72, 18,659,823.48 and 7,409,802

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Solution

The fourth proportional to 13,521,504.72, 18,659,823.48 and 7,409,802 is: 10,225,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,504.72 : 18,659,823.48 = 7,409,802 : x
  2. Step 2: Convert to fraction form
    13,521,504.72/18,659,823.48 = 7,409,802/x
  3. Step 3: Cross multiply
    13,521,504.72x = 18,659,823.48 × 7,409,802
  4. Step 4: Simplify right side
    13,521,504.72x = 138,265,597,341,750.97
  5. Step 5: Solve for x
    x = 138,265,597,341,750.97/13,521,504.72
  6. Step 6: Final answer
    x = 10,225,607.30

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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.