Home / 13,740,252.37-18,960,206.18-7,938,909.55

Finding the Fourth Proportional to 13,740,252.37, 18,960,206.18 and 7,938,909.55

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Solution

The fourth proportional to 13,740,252.37, 18,960,206.18 and 7,938,909.55 is: 10,954,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740,252.37 : 18,960,206.18 = 7,938,909.55 : x
  2. Step 2: Convert to fraction form
    13,740,252.37/18,960,206.18 = 7,938,909.55/x
  3. Step 3: Cross multiply
    13,740,252.37x = 18,960,206.18 × 7,938,909.55
  4. Step 4: Simplify right side
    13,740,252.37x = 150,523,362,005,512.84
  5. Step 5: Solve for x
    x = 150,523,362,005,512.84/13,740,252.37
  6. Step 6: Final answer
    x = 10,954,919.75

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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.