Home / 5,630,363.12-8,445,465.72-2,218,679.36

Finding the Fourth Proportional to 5,630,363.12, 8,445,465.72 and 2,218,679.36

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Solution

The fourth proportional to 5,630,363.12, 8,445,465.72 and 2,218,679.36 is: 3,327,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630,363.12 : 8,445,465.72 = 2,218,679.36 : x
  2. Step 2: Convert to fraction form
    5,630,363.12/8,445,465.72 = 2,218,679.36/x
  3. Step 3: Cross multiply
    5,630,363.12x = 8,445,465.72 × 2,218,679.36
  4. Step 4: Simplify right side
    5,630,363.12x = 18,737,780,478,551.54
  5. Step 5: Solve for x
    x = 18,737,780,478,551.54/5,630,363.12
  6. Step 6: Final answer
    x = 3,327,987.93

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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.