Home / 21,956,776.25-30,300,530.63-12,167,383.95

Finding the Fourth Proportional to 21,956,776.25, 30,300,530.63 and 12,167,383.95

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Solution

The fourth proportional to 21,956,776.25, 30,300,530.63 and 12,167,383.95 is: 16,791,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,776.25 : 30,300,530.63 = 12,167,383.95 : x
  2. Step 2: Convert to fraction form
    21,956,776.25/30,300,530.63 = 12,167,383.95/x
  3. Step 3: Cross multiply
    21,956,776.25x = 30,300,530.63 × 12,167,383.95
  4. Step 4: Simplify right side
    21,956,776.25x = 368,678,190,003,108.44
  5. Step 5: Solve for x
    x = 368,678,190,003,108.44/21,956,776.25
  6. Step 6: Final answer
    x = 16,791,089.27

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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.