Home / 42,617,257.20-63,925,885.80-18,682,729.20

Finding the Fourth Proportional to 42,617,257.20, 63,925,885.80 and 18,682,729.20

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Solution

The fourth proportional to 42,617,257.20, 63,925,885.80 and 18,682,729.20 is: 28,024,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,617,257.20 : 63,925,885.80 = 18,682,729.20 : x
  2. Step 2: Convert to fraction form
    42,617,257.20/63,925,885.80 = 18,682,729.20/x
  3. Step 3: Cross multiply
    42,617,257.20x = 63,925,885.80 × 18,682,729.20
  4. Step 4: Simplify right side
    42,617,257.20x = 1,194,310,013,271,525.25
  5. Step 5: Solve for x
    x = 1,194,310,013,271,525.25/42,617,257.20
  6. Step 6: Final answer
    x = 28,024,093.80

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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.