Home / 8,421,218.94-11,620,611.63-4,748,957.58

Finding the Fourth Proportional to 8,421,218.94, 11,620,611.63 and 4,748,957.58

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Solution

The fourth proportional to 8,421,218.94, 11,620,611.63 and 4,748,957.58 is: 6,553,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,218.94 : 11,620,611.63 = 4,748,957.58 : x
  2. Step 2: Convert to fraction form
    8,421,218.94/11,620,611.63 = 4,748,957.58/x
  3. Step 3: Cross multiply
    8,421,218.94x = 11,620,611.63 × 4,748,957.58
  4. Step 4: Simplify right side
    8,421,218.94x = 55,185,791,684,524.66
  5. Step 5: Solve for x
    x = 55,185,791,684,524.66/8,421,218.94
  6. Step 6: Final answer
    x = 6,553,183.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.