Home / 19,847,714.90-29,771,572.35-8,489,311.70

Finding the Fourth Proportional to 19,847,714.90, 29,771,572.35 and 8,489,311.70

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Solution

The fourth proportional to 19,847,714.90, 29,771,572.35 and 8,489,311.70 is: 12,733,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847,714.90 : 29,771,572.35 = 8,489,311.70 : x
  2. Step 2: Convert to fraction form
    19,847,714.90/29,771,572.35 = 8,489,311.70/x
  3. Step 3: Cross multiply
    19,847,714.90x = 29,771,572.35 × 8,489,311.70
  4. Step 4: Simplify right side
    19,847,714.90x = 252,740,157,478,251.50
  5. Step 5: Solve for x
    x = 252,740,157,478,251.50/19,847,714.90
  6. Step 6: Final answer
    x = 12,733,967.55

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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.