Home / 39,905,188.74-55,069,136.10-21,570,474.24

Finding the Fourth Proportional to 39,905,188.74, 55,069,136.10 and 21,570,474.24

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Solution

The fourth proportional to 39,905,188.74, 55,069,136.10 and 21,570,474.24 is: 29,767,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905,188.74 : 55,069,136.10 = 21,570,474.24 : x
  2. Step 2: Convert to fraction form
    39,905,188.74/55,069,136.10 = 21,570,474.24/x
  3. Step 3: Cross multiply
    39,905,188.74x = 55,069,136.10 × 21,570,474.24
  4. Step 4: Simplify right side
    39,905,188.74x = 1,187,867,381,664,104
  5. Step 5: Solve for x
    x = 1,187,867,381,664,104/39,905,188.74
  6. Step 6: Final answer
    x = 29,767,241.28

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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.