Home / 21,049,162.14-29,047,843.95-11,391,370.14

Finding the Fourth Proportional to 21,049,162.14, 29,047,843.95 and 11,391,370.14

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Solution

The fourth proportional to 21,049,162.14, 29,047,843.95 and 11,391,370.14 is: 15,720,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,162.14 : 29,047,843.95 = 11,391,370.14 : x
  2. Step 2: Convert to fraction form
    21,049,162.14/29,047,843.95 = 11,391,370.14/x
  3. Step 3: Cross multiply
    21,049,162.14x = 29,047,843.95 × 11,391,370.14
  4. Step 4: Simplify right side
    21,049,162.14x = 330,894,742,203,409.69
  5. Step 5: Solve for x
    x = 330,894,742,203,409.69/21,049,162.14
  6. Step 6: Final answer
    x = 15,720,090.90

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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.