Home / 21,855,412.10-30,160,312.58-11,932,294.48

Finding the Fourth Proportional to 21,855,412.10, 30,160,312.58 and 11,932,294.48

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Solution

The fourth proportional to 21,855,412.10, 30,160,312.58 and 11,932,294.48 is: 16,466,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,412.10 : 30,160,312.58 = 11,932,294.48 : x
  2. Step 2: Convert to fraction form
    21,855,412.10/30,160,312.58 = 11,932,294.48/x
  3. Step 3: Cross multiply
    21,855,412.10x = 30,160,312.58 × 11,932,294.48
  4. Step 4: Simplify right side
    21,855,412.10x = 359,881,731,313,408.56
  5. Step 5: Solve for x
    x = 359,881,731,313,408.56/21,855,412.10
  6. Step 6: Final answer
    x = 16,466,481.15

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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.