Home / 8,375,994.40-12,563,991.60-2,990,725.60

Finding the Fourth Proportional to 8,375,994.40, 12,563,991.60 and 2,990,725.60

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Solution

The fourth proportional to 8,375,994.40, 12,563,991.60 and 2,990,725.60 is: 4,486,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,994.40 : 12,563,991.60 = 2,990,725.60 : x
  2. Step 2: Convert to fraction form
    8,375,994.40/12,563,991.60 = 2,990,725.60/x
  3. Step 3: Cross multiply
    8,375,994.40x = 12,563,991.60 × 2,990,725.60
  4. Step 4: Simplify right side
    8,375,994.40x = 37,575,451,316,304.96
  5. Step 5: Solve for x
    x = 37,575,451,316,304.96/8,375,994.40
  6. Step 6: Final answer
    x = 4,486,088.40

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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.