Home / 13,285,367.70-19,928,051.55-11,605,751.70

Finding the Fourth Proportional to 13,285,367.70, 19,928,051.55 and 11,605,751.70

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Solution

The fourth proportional to 13,285,367.70, 19,928,051.55 and 11,605,751.70 is: 17,408,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,367.70 : 19,928,051.55 = 11,605,751.70 : x
  2. Step 2: Convert to fraction form
    13,285,367.70/19,928,051.55 = 11,605,751.70/x
  3. Step 3: Cross multiply
    13,285,367.70x = 19,928,051.55 × 11,605,751.70
  4. Step 4: Simplify right side
    13,285,367.70x = 231,280,018,154,100.12
  5. Step 5: Solve for x
    x = 231,280,018,154,100.12/13,285,367.70
  6. Step 6: Final answer
    x = 17,408,627.55

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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.