Home / 8,499,447.28-11,728,895.08-4,631,885.44

Finding the Fourth Proportional to 8,499,447.28, 11,728,895.08 and 4,631,885.44

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Solution

The fourth proportional to 8,499,447.28, 11,728,895.08 and 4,631,885.44 is: 6,391,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,447.28 : 11,728,895.08 = 4,631,885.44 : x
  2. Step 2: Convert to fraction form
    8,499,447.28/11,728,895.08 = 4,631,885.44/x
  3. Step 3: Cross multiply
    8,499,447.28x = 11,728,895.08 × 4,631,885.44
  4. Step 4: Simplify right side
    8,499,447.28x = 54,326,898,348,339.64
  5. Step 5: Solve for x
    x = 54,326,898,348,339.64/8,499,447.28
  6. Step 6: Final answer
    x = 6,391,815.44

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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.