Home / 12,830,878.08-19,244,710.62-4,194,254.70

Finding the Fourth Proportional to 12,830,878.08, 19,244,710.62 and 4,194,254.70

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Solution

The fourth proportional to 12,830,878.08, 19,244,710.62 and 4,194,254.70 is: 6,290,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,878.08 : 19,244,710.62 = 4,194,254.70 : x
  2. Step 2: Convert to fraction form
    12,830,878.08/19,244,710.62 = 4,194,254.70/x
  3. Step 3: Cross multiply
    12,830,878.08x = 19,244,710.62 × 4,194,254.70
  4. Step 4: Simplify right side
    12,830,878.08x = 80,717,217,968,074.92
  5. Step 5: Solve for x
    x = 80,717,217,968,074.92/12,830,878.08
  6. Step 6: Final answer
    x = 6,290,856.91

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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.