Home / 21,477,187.40-29,638,523.31-11,819,395.40

Finding the Fourth Proportional to 21,477,187.40, 29,638,523.31 and 11,819,395.40

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Solution

The fourth proportional to 21,477,187.40, 29,638,523.31 and 11,819,395.40 is: 16,310,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,187.40 : 29,638,523.31 = 11,819,395.40 : x
  2. Step 2: Convert to fraction form
    21,477,187.40/29,638,523.31 = 11,819,395.40/x
  3. Step 3: Cross multiply
    21,477,187.40x = 29,638,523.31 × 11,819,395.40
  4. Step 4: Simplify right side
    21,477,187.40x = 350,309,426,073,006.75
  5. Step 5: Solve for x
    x = 350,309,426,073,006.75/21,477,187.40
  6. Step 6: Final answer
    x = 16,310,768.24

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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.