Home / 13,159,109.70-19,738,664.55-7,490,405.70

Finding the Fourth Proportional to 13,159,109.70, 19,738,664.55 and 7,490,405.70

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Solution

The fourth proportional to 13,159,109.70, 19,738,664.55 and 7,490,405.70 is: 11,235,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159,109.70 : 19,738,664.55 = 7,490,405.70 : x
  2. Step 2: Convert to fraction form
    13,159,109.70/19,738,664.55 = 7,490,405.70/x
  3. Step 3: Cross multiply
    13,159,109.70x = 19,738,664.55 × 7,490,405.70
  4. Step 4: Simplify right side
    13,159,109.70x = 147,850,605,455,707.94
  5. Step 5: Solve for x
    x = 147,850,605,455,707.94/13,159,109.70
  6. Step 6: Final answer
    x = 11,235,608.55

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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.