Home / 12,158,579.63-16,776,093.05-7,262,843.45

Finding the Fourth Proportional to 12,158,579.63, 16,776,093.05 and 7,262,843.45

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Solution

The fourth proportional to 12,158,579.63, 16,776,093.05 and 7,262,843.45 is: 10,021,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,579.63 : 16,776,093.05 = 7,262,843.45 : x
  2. Step 2: Convert to fraction form
    12,158,579.63/16,776,093.05 = 7,262,843.45/x
  3. Step 3: Cross multiply
    12,158,579.63x = 16,776,093.05 × 7,262,843.45
  4. Step 4: Simplify right side
    12,158,579.63x = 121,842,137,431,824.02
  5. Step 5: Solve for x
    x = 121,842,137,431,824.02/12,158,579.63
  6. Step 6: Final answer
    x = 10,021,083.15

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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.