Home / 40,539,579.10-55,943,927.72-21,954,568.22

Finding the Fourth Proportional to 40,539,579.10, 55,943,927.72 and 21,954,568.22

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Solution

The fourth proportional to 40,539,579.10, 55,943,927.72 and 21,954,568.22 is: 30,296,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,579.10 : 55,943,927.72 = 21,954,568.22 : x
  2. Step 2: Convert to fraction form
    40,539,579.10/55,943,927.72 = 21,954,568.22/x
  3. Step 3: Cross multiply
    40,539,579.10x = 55,943,927.72 × 21,954,568.22
  4. Step 4: Simplify right side
    40,539,579.10x = 1,228,224,777,779,108
  5. Step 5: Solve for x
    x = 1,228,224,777,779,108/40,539,579.10
  6. Step 6: Final answer
    x = 30,296,929.69

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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.