Home / 12,518,499.51-18,775,529.60-5,693,474.07

Finding the Fourth Proportional to 12,518,499.51, 18,775,529.60 and 5,693,474.07

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Solution

The fourth proportional to 12,518,499.51, 18,775,529.60 and 5,693,474.07 is: 8,539,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518,499.51 : 18,775,529.60 = 5,693,474.07 : x
  2. Step 2: Convert to fraction form
    12,518,499.51/18,775,529.60 = 5,693,474.07/x
  3. Step 3: Cross multiply
    12,518,499.51x = 18,775,529.60 × 5,693,474.07
  4. Step 4: Simplify right side
    12,518,499.51x = 106,897,990,899,650.09
  5. Step 5: Solve for x
    x = 106,897,990,899,650.09/12,518,499.51
  6. Step 6: Final answer
    x = 8,539,201.59

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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.