Home / 21,382,558.84-29,508,553.56-12,089,929.30

Finding the Fourth Proportional to 21,382,558.84, 29,508,553.56 and 12,089,929.30

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Solution

The fourth proportional to 21,382,558.84, 29,508,553.56 and 12,089,929.30 is: 16,684,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,558.84 : 29,508,553.56 = 12,089,929.30 : x
  2. Step 2: Convert to fraction form
    21,382,558.84/29,508,553.56 = 12,089,929.30/x
  3. Step 3: Cross multiply
    21,382,558.84x = 29,508,553.56 × 12,089,929.30
  4. Step 4: Simplify right side
    21,382,558.84x = 356,756,326,285,663.31
  5. Step 5: Solve for x
    x = 356,756,326,285,663.31/21,382,558.84
  6. Step 6: Final answer
    x = 16,684,454.32

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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.