Home / 8,178,698.10-12,244,427.55-4,990,052.10

Finding the Fourth Proportional to 8,178,698.10, 12,244,427.55 and 4,990,052.10

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Solution

The fourth proportional to 8,178,698.10, 12,244,427.55 and 4,990,052.10 is: 7,470,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,698.10 : 12,244,427.55 = 4,990,052.10 : x
  2. Step 2: Convert to fraction form
    8,178,698.10/12,244,427.55 = 4,990,052.10/x
  3. Step 3: Cross multiply
    8,178,698.10x = 12,244,427.55 × 4,990,052.10
  4. Step 4: Simplify right side
    8,178,698.10x = 61,100,331,409,175.35
  5. Step 5: Solve for x
    x = 61,100,331,409,175.35/8,178,698.10
  6. Step 6: Final answer
    x = 7,470,667.17

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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.