Home / 34,021,409.85-46,928,672.87-21,777,009.21

Finding the Fourth Proportional to 34,021,409.85, 46,928,672.87 and 21,777,009.21

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Solution

The fourth proportional to 34,021,409.85, 46,928,672.87 and 21,777,009.21 is: 30,038,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021,409.85 : 46,928,672.87 = 21,777,009.21 : x
  2. Step 2: Convert to fraction form
    34,021,409.85/46,928,672.87 = 21,777,009.21/x
  3. Step 3: Cross multiply
    34,021,409.85x = 46,928,672.87 × 21,777,009.21
  4. Step 4: Simplify right side
    34,021,409.85x = 1,021,966,141,194,182.12
  5. Step 5: Solve for x
    x = 1,021,966,141,194,182.12/34,021,409.85
  6. Step 6: Final answer
    x = 30,038,912.14

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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.