Home / 21,315,064.14-29,414,767.78-11,525,484.88

Finding the Fourth Proportional to 21,315,064.14, 29,414,767.78 and 11,525,484.88

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Solution

The fourth proportional to 21,315,064.14, 29,414,767.78 and 11,525,484.88 is: 15,905,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,064.14 : 29,414,767.78 = 11,525,484.88 : x
  2. Step 2: Convert to fraction form
    21,315,064.14/29,414,767.78 = 11,525,484.88/x
  3. Step 3: Cross multiply
    21,315,064.14x = 29,414,767.78 × 11,525,484.88
  4. Step 4: Simplify right side
    21,315,064.14x = 339,019,461,297,101.19
  5. Step 5: Solve for x
    x = 339,019,461,297,101.19/21,315,064.14
  6. Step 6: Final answer
    x = 15,905,157.92

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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.