Home / 13,150,281.54-18,148,194.22-7,349,526.48

Finding the Fourth Proportional to 13,150,281.54, 18,148,194.22 and 7,349,526.48

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Solution

The fourth proportional to 13,150,281.54, 18,148,194.22 and 7,349,526.48 is: 10,142,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,281.54 : 18,148,194.22 = 7,349,526.48 : x
  2. Step 2: Convert to fraction form
    13,150,281.54/18,148,194.22 = 7,349,526.48/x
  3. Step 3: Cross multiply
    13,150,281.54x = 18,148,194.22 × 7,349,526.48
  4. Step 4: Simplify right side
    13,150,281.54x = 133,380,633,984,072.94
  5. Step 5: Solve for x
    x = 133,380,633,984,072.94/13,150,281.54
  6. Step 6: Final answer
    x = 10,142,796.84

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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.