Home / 8,499,121.93-11,728,749.44-4,631,642.07

Finding the Fourth Proportional to 8,499,121.93, 11,728,749.44 and 4,631,642.07

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Solution

The fourth proportional to 8,499,121.93, 11,728,749.44 and 4,631,642.07 is: 6,391,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,121.93 : 11,728,749.44 = 4,631,642.07 : x
  2. Step 2: Convert to fraction form
    8,499,121.93/11,728,749.44 = 4,631,642.07/x
  3. Step 3: Cross multiply
    8,499,121.93x = 11,728,749.44 × 4,631,642.07
  4. Step 4: Simplify right side
    8,499,121.93x = 54,323,369,302,389.24
  5. Step 5: Solve for x
    x = 54,323,369,302,389.24/8,499,121.93
  6. Step 6: Final answer
    x = 6,391,644.89

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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.