Home / 13,283,999.70-19,925,999.55-12,008,541.30

Finding the Fourth Proportional to 13,283,999.70, 19,925,999.55 and 12,008,541.30

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Solution

The fourth proportional to 13,283,999.70, 19,925,999.55 and 12,008,541.30 is: 18,012,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,999.70 : 19,925,999.55 = 12,008,541.30 : x
  2. Step 2: Convert to fraction form
    13,283,999.70/19,925,999.55 = 12,008,541.30/x
  3. Step 3: Cross multiply
    13,283,999.70x = 19,925,999.55 × 12,008,541.30
  4. Step 4: Simplify right side
    13,283,999.70x = 239,282,188,539,956.44
  5. Step 5: Solve for x
    x = 239,282,188,539,956.44/13,283,999.70
  6. Step 6: Final answer
    x = 18,012,811.95

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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.