Home / 12,705,336.80-19,053,909.84-4,183,644.32

Finding the Fourth Proportional to 12,705,336.80, 19,053,909.84 and 4,183,644.32

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Solution

The fourth proportional to 12,705,336.80, 19,053,909.84 and 4,183,644.32 is: 6,274,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,336.80 : 19,053,909.84 = 4,183,644.32 : x
  2. Step 2: Convert to fraction form
    12,705,336.80/19,053,909.84 = 4,183,644.32/x
  3. Step 3: Cross multiply
    12,705,336.80x = 19,053,909.84 × 4,183,644.32
  4. Step 4: Simplify right side
    12,705,336.80x = 79,714,781,675,908.11
  5. Step 5: Solve for x
    x = 79,714,781,675,908.11/12,705,336.80
  6. Step 6: Final answer
    x = 6,274,117.95

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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.