Home / 13,550,430.37-18,699,968.33-7,669,597.09

Finding the Fourth Proportional to 13,550,430.37, 18,699,968.33 and 7,669,597.09

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Solution

The fourth proportional to 13,550,430.37, 18,699,968.33 and 7,669,597.09 is: 10,584,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,430.37 : 18,699,968.33 = 7,669,597.09 : x
  2. Step 2: Convert to fraction form
    13,550,430.37/18,699,968.33 = 7,669,597.09/x
  3. Step 3: Cross multiply
    13,550,430.37x = 18,699,968.33 × 7,669,597.09
  4. Step 4: Simplify right side
    13,550,430.37x = 143,421,222,648,512.16
  5. Step 5: Solve for x
    x = 143,421,222,648,512.16/13,550,430.37
  6. Step 6: Final answer
    x = 10,584,255.90

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1.5x scale

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.