Home / 20,421,552.40-30,632,328.60-14,681,989.60

Finding the Fourth Proportional to 20,421,552.40, 30,632,328.60 and 14,681,989.60

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Solution

The fourth proportional to 20,421,552.40, 30,632,328.60 and 14,681,989.60 is: 22,022,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421,552.40 : 30,632,328.60 = 14,681,989.60 : x
  2. Step 2: Convert to fraction form
    20,421,552.40/30,632,328.60 = 14,681,989.60/x
  3. Step 3: Cross multiply
    20,421,552.40x = 30,632,328.60 × 14,681,989.60
  4. Step 4: Simplify right side
    20,421,552.40x = 449,743,529,928,982.56
  5. Step 5: Solve for x
    x = 449,743,529,928,982.56/20,421,552.40
  6. Step 6: Final answer
    x = 22,022,984.40

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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.