Home / 12,300,552.60-18,450,828.90-5,477,112.60

Finding the Fourth Proportional to 12,300,552.60, 18,450,828.90 and 5,477,112.60

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Solution

The fourth proportional to 12,300,552.60, 18,450,828.90 and 5,477,112.60 is: 8,215,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,552.60 : 18,450,828.90 = 5,477,112.60 : x
  2. Step 2: Convert to fraction form
    12,300,552.60/18,450,828.90 = 5,477,112.60/x
  3. Step 3: Cross multiply
    12,300,552.60x = 18,450,828.90 × 5,477,112.60
  4. Step 4: Simplify right side
    12,300,552.60x = 101,057,267,448,634.12
  5. Step 5: Solve for x
    x = 101,057,267,448,634.12/12,300,552.60
  6. Step 6: Final answer
    x = 8,215,668.90

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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.