Home / 9,478,212.80-14,175,847.20-8,474,590.40

Finding the Fourth Proportional to 9,478,212.80, 14,175,847.20 and 8,474,590.40

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Solution

The fourth proportional to 9,478,212.80, 14,175,847.20 and 8,474,590.40 is: 12,674,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,212.80 : 14,175,847.20 = 8,474,590.40 : x
  2. Step 2: Convert to fraction form
    9,478,212.80/14,175,847.20 = 8,474,590.40/x
  3. Step 3: Cross multiply
    9,478,212.80x = 14,175,847.20 × 8,474,590.40
  4. Step 4: Simplify right side
    9,478,212.80x = 120,134,498,592,986.88
  5. Step 5: Solve for x
    x = 120,134,498,592,986.88/9,478,212.80
  6. Step 6: Final answer
    x = 12,674,804.96

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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.