Home / 12,915,182.48-17,822,293.44-7,113,839.36

Finding the Fourth Proportional to 12,915,182.48, 17,822,293.44 and 7,113,839.36

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Solution

The fourth proportional to 12,915,182.48, 17,822,293.44 and 7,113,839.36 is: 9,816,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,182.48 : 17,822,293.44 = 7,113,839.36 : x
  2. Step 2: Convert to fraction form
    12,915,182.48/17,822,293.44 = 7,113,839.36/x
  3. Step 3: Cross multiply
    12,915,182.48x = 17,822,293.44 × 7,113,839.36
  4. Step 4: Simplify right side
    12,915,182.48x = 126,784,932,558,941.81
  5. Step 5: Solve for x
    x = 126,784,932,558,941.81/12,915,182.48
  6. Step 6: Final answer
    x = 9,816,735.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.