Home / 6,678,117.12-10,017,594.72-1,886,181.60

Finding the Fourth Proportional to 6,678,117.12, 10,017,594.72 and 1,886,181.60

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Solution

The fourth proportional to 6,678,117.12, 10,017,594.72 and 1,886,181.60 is: 2,829,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,117.12 : 10,017,594.72 = 1,886,181.60 : x
  2. Step 2: Convert to fraction form
    6,678,117.12/10,017,594.72 = 1,886,181.60/x
  3. Step 3: Cross multiply
    6,678,117.12x = 10,017,594.72 × 1,886,181.60
  4. Step 4: Simplify right side
    6,678,117.12x = 18,895,002,837,121.15
  5. Step 5: Solve for x
    x = 18,895,002,837,121.15/6,678,117.12
  6. Step 6: Final answer
    x = 2,829,390.75

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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.