Home / 12,471,879.72-18,708,343.74-6,087,501.84

Finding the Fourth Proportional to 12,471,879.72, 18,708,343.74 and 6,087,501.84

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Solution

The fourth proportional to 12,471,879.72, 18,708,343.74 and 6,087,501.84 is: 9,131,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,879.72 : 18,708,343.74 = 6,087,501.84 : x
  2. Step 2: Convert to fraction form
    12,471,879.72/18,708,343.74 = 6,087,501.84/x
  3. Step 3: Cross multiply
    12,471,879.72x = 18,708,343.74 × 6,087,501.84
  4. Step 4: Simplify right side
    12,471,879.72x = 113,887,076,940,602.47
  5. Step 5: Solve for x
    x = 113,887,076,940,602.47/12,471,879.72
  6. Step 6: Final answer
    x = 9,131,508.60

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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.