Home / 12,111,618.30-16,713,563.90-6,885,311.18

Finding the Fourth Proportional to 12,111,618.30, 16,713,563.90 and 6,885,311.18

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Solution

The fourth proportional to 12,111,618.30, 16,713,563.90 and 6,885,311.18 is: 9,501,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,618.30 : 16,713,563.90 = 6,885,311.18 : x
  2. Step 2: Convert to fraction form
    12,111,618.30/16,713,563.90 = 6,885,311.18/x
  3. Step 3: Cross multiply
    12,111,618.30x = 16,713,563.90 × 6,885,311.18
  4. Step 4: Simplify right side
    12,111,618.30x = 115,078,088,378,314.41
  5. Step 5: Solve for x
    x = 115,078,088,378,314.41/12,111,618.30
  6. Step 6: Final answer
    x = 9,501,462.61

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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.