Home / 21,212,664.98-31,805,975.27-8,243,672.63

Finding the Fourth Proportional to 21,212,664.98, 31,805,975.27 and 8,243,672.63

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Solution

The fourth proportional to 21,212,664.98, 31,805,975.27 and 8,243,672.63 is: 12,360,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,212,664.98 : 31,805,975.27 = 8,243,672.63 : x
  2. Step 2: Convert to fraction form
    21,212,664.98/31,805,975.27 = 8,243,672.63/x
  3. Step 3: Cross multiply
    21,212,664.98x = 31,805,975.27 × 8,243,672.63
  4. Step 4: Simplify right side
    21,212,664.98x = 262,198,047,762,537.50
  5. Step 5: Solve for x
    x = 262,198,047,762,537.50/21,212,664.98
  6. Step 6: Final answer
    x = 12,360,448.25

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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.