Home / 20,665,266.88-30,997,926.24-9,880,032.64

Finding the Fourth Proportional to 20,665,266.88, 30,997,926.24 and 9,880,032.64

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Solution

The fourth proportional to 20,665,266.88, 30,997,926.24 and 9,880,032.64 is: 14,820,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,665,266.88 : 30,997,926.24 = 9,880,032.64 : x
  2. Step 2: Convert to fraction form
    20,665,266.88/30,997,926.24 = 9,880,032.64/x
  3. Step 3: Cross multiply
    20,665,266.88x = 30,997,926.24 × 9,880,032.64
  4. Step 4: Simplify right side
    20,665,266.88x = 306,260,523,023,512.50
  5. Step 5: Solve for x
    x = 306,260,523,023,512.50/20,665,266.88
  6. Step 6: Final answer
    x = 14,820,061.35

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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.