Home / 21,061,973.94-31,594,185.69-5,917,086.42

Finding the Fourth Proportional to 21,061,973.94, 31,594,185.69 and 5,917,086.42

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Solution

The fourth proportional to 21,061,973.94, 31,594,185.69 and 5,917,086.42 is: 8,875,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,973.94 : 31,594,185.69 = 5,917,086.42 : x
  2. Step 2: Convert to fraction form
    21,061,973.94/31,594,185.69 = 5,917,086.42/x
  3. Step 3: Cross multiply
    21,061,973.94x = 31,594,185.69 × 5,917,086.42
  4. Step 4: Simplify right side
    21,061,973.94x = 186,945,527,097,257.34
  5. Step 5: Solve for x
    x = 186,945,527,097,257.34/21,061,973.94
  6. Step 6: Final answer
    x = 8,875,973.72

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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.