Home / 22,011,381.20-32,989,078.20-19,603,931.60

Finding the Fourth Proportional to 22,011,381.20, 32,989,078.20 and 19,603,931.60

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Solution

The fourth proportional to 22,011,381.20, 32,989,078.20 and 19,603,931.60 is: 29,380,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011,381.20 : 32,989,078.20 = 19,603,931.60 : x
  2. Step 2: Convert to fraction form
    22,011,381.20/32,989,078.20 = 19,603,931.60/x
  3. Step 3: Cross multiply
    22,011,381.20x = 32,989,078.20 × 19,603,931.60
  4. Step 4: Simplify right side
    22,011,381.20x = 646,715,632,579,851.12
  5. Step 5: Solve for x
    x = 646,715,632,579,851.12/22,011,381.20
  6. Step 6: Final answer
    x = 29,380,965.54

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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.