Home / 15,322,010-21,144,516.42-8,446,738.10

Finding the Fourth Proportional to 15,322,010, 21,144,516.42 and 8,446,738.10

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Solution

The fourth proportional to 15,322,010, 21,144,516.42 and 8,446,738.10 is: 11,656,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,010 : 21,144,516.42 = 8,446,738.10 : x
  2. Step 2: Convert to fraction form
    15,322,010/21,144,516.42 = 8,446,738.10/x
  3. Step 3: Cross multiply
    15,322,010x = 21,144,516.42 × 8,446,738.10
  4. Step 4: Simplify right side
    15,322,010x = 178,602,192,450,889.59
  5. Step 5: Solve for x
    x = 178,602,192,450,889.59/15,322,010
  6. Step 6: Final answer
    x = 11,656,577.20

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Double scale
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1.5x scale

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.