Home / 15,322,603.08-21,144,648-8,353,136.28

Finding the Fourth Proportional to 15,322,603.08, 21,144,648 and 8,353,136.28

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Solution

The fourth proportional to 15,322,603.08, 21,144,648 and 8,353,136.28 is: 11,527,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,603.08 : 21,144,648 = 8,353,136.28 : x
  2. Step 2: Convert to fraction form
    15,322,603.08/21,144,648 = 8,353,136.28/x
  3. Step 3: Cross multiply
    15,322,603.08x = 21,144,648 × 8,353,136.28
  4. Step 4: Simplify right side
    15,322,603.08x = 176,624,126,336,629.44
  5. Step 5: Solve for x
    x = 176,624,126,336,629.44/15,322,603.08
  6. Step 6: Final answer
    x = 11,527,031.37

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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.