Home / 16,218,643.51-22,381,787.35-8,776,305.59

Finding the Fourth Proportional to 16,218,643.51, 22,381,787.35 and 8,776,305.59

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Solution

The fourth proportional to 16,218,643.51, 22,381,787.35 and 8,776,305.59 is: 12,111,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218,643.51 : 22,381,787.35 = 8,776,305.59 : x
  2. Step 2: Convert to fraction form
    16,218,643.51/22,381,787.35 = 8,776,305.59/x
  3. Step 3: Cross multiply
    16,218,643.51x = 22,381,787.35 × 8,776,305.59
  4. Step 4: Simplify right side
    16,218,643.51x = 196,429,405,433,996.28
  5. Step 5: Solve for x
    x = 196,429,405,433,996.28/16,218,643.51
  6. Step 6: Final answer
    x = 12,111,333.81

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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.