Home / 21,779,278.26-30,054,483.27-11,855,954.36

Finding the Fourth Proportional to 21,779,278.26, 30,054,483.27 and 11,855,954.36

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Solution

The fourth proportional to 21,779,278.26, 30,054,483.27 and 11,855,954.36 is: 16,360,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779,278.26 : 30,054,483.27 = 11,855,954.36 : x
  2. Step 2: Convert to fraction form
    21,779,278.26/30,054,483.27 = 11,855,954.36/x
  3. Step 3: Cross multiply
    21,779,278.26x = 30,054,483.27 × 11,855,954.36
  4. Step 4: Simplify right side
    21,779,278.26x = 356,324,581,812,231.12
  5. Step 5: Solve for x
    x = 356,324,581,812,231.12/21,779,278.26
  6. Step 6: Final answer
    x = 16,360,715.79

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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.