Home / 12,724,961.57-19,063,359.04-7,521,994.25

Finding the Fourth Proportional to 12,724,961.57, 19,063,359.04 and 7,521,994.25

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Solution

The fourth proportional to 12,724,961.57, 19,063,359.04 and 7,521,994.25 is: 11,268,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,961.57 : 19,063,359.04 = 7,521,994.25 : x
  2. Step 2: Convert to fraction form
    12,724,961.57/19,063,359.04 = 7,521,994.25/x
  3. Step 3: Cross multiply
    12,724,961.57x = 19,063,359.04 × 7,521,994.25
  4. Step 4: Simplify right side
    12,724,961.57x = 143,394,477,088,491.41
  5. Step 5: Solve for x
    x = 143,394,477,088,491.41/12,724,961.57
  6. Step 6: Final answer
    x = 11,268,755.22

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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.