Home / 8,919,118.62-13,380,671.34-2,854,214.64

Finding the Fourth Proportional to 8,919,118.62, 13,380,671.34 and 2,854,214.64

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Solution

The fourth proportional to 8,919,118.62, 13,380,671.34 and 2,854,214.64 is: 4,281,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,118.62 : 13,380,671.34 = 2,854,214.64 : x
  2. Step 2: Convert to fraction form
    8,919,118.62/13,380,671.34 = 2,854,214.64/x
  3. Step 3: Cross multiply
    8,919,118.62x = 13,380,671.34 × 2,854,214.64
  4. Step 4: Simplify right side
    8,919,118.62x = 38,191,308,031,656.42
  5. Step 5: Solve for x
    x = 38,191,308,031,656.42/8,919,118.62
  6. Step 6: Final answer
    x = 4,281,959.87

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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.