Home / 42,362,912.40-63,515,359.03-21,573,107.36

Finding the Fourth Proportional to 42,362,912.40, 63,515,359.03 and 21,573,107.36

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Solution

The fourth proportional to 42,362,912.40, 63,515,359.03 and 21,573,107.36 is: 32,344,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,362,912.40 : 63,515,359.03 = 21,573,107.36 : x
  2. Step 2: Convert to fraction form
    42,362,912.40/63,515,359.03 = 21,573,107.36/x
  3. Step 3: Cross multiply
    42,362,912.40x = 63,515,359.03 × 21,573,107.36
  4. Step 4: Simplify right side
    42,362,912.40x = 1,370,223,659,363,135.50
  5. Step 5: Solve for x
    x = 1,370,223,659,363,135.50/42,362,912.40
  6. Step 6: Final answer
    x = 32,344,888.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.