Home / 13,289,131.04-19,936,179.84-9,151,980.32

Finding the Fourth Proportional to 13,289,131.04, 19,936,179.84 and 9,151,980.32

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Solution

The fourth proportional to 13,289,131.04, 19,936,179.84 and 9,151,980.32 is: 13,729,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,131.04 : 19,936,179.84 = 9,151,980.32 : x
  2. Step 2: Convert to fraction form
    13,289,131.04/19,936,179.84 = 9,151,980.32/x
  3. Step 3: Cross multiply
    13,289,131.04x = 19,936,179.84 × 9,151,980.32
  4. Step 4: Simplify right side
    13,289,131.04x = 182,455,525,551,660.75
  5. Step 5: Solve for x
    x = 182,455,525,551,660.75/13,289,131.04
  6. Step 6: Final answer
    x = 13,729,680.67

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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.