Home / 13,413,748.90-20,120,623.35-4,892,978.20

Finding the Fourth Proportional to 13,413,748.90, 20,120,623.35 and 4,892,978.20

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Solution

The fourth proportional to 13,413,748.90, 20,120,623.35 and 4,892,978.20 is: 7,339,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,748.90 : 20,120,623.35 = 4,892,978.20 : x
  2. Step 2: Convert to fraction form
    13,413,748.90/20,120,623.35 = 4,892,978.20/x
  3. Step 3: Cross multiply
    13,413,748.90x = 20,120,623.35 × 4,892,978.20
  4. Step 4: Simplify right side
    13,413,748.90x = 98,449,771,421,960.98
  5. Step 5: Solve for x
    x = 98,449,771,421,960.98/13,413,748.90
  6. Step 6: Final answer
    x = 7,339,467.30

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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.