Home / 12,907,291.20-17,811,385.56-7,104,939.60

Finding the Fourth Proportional to 12,907,291.20, 17,811,385.56 and 7,104,939.60

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Solution

The fourth proportional to 12,907,291.20, 17,811,385.56 and 7,104,939.60 is: 9,804,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,291.20 : 17,811,385.56 = 7,104,939.60 : x
  2. Step 2: Convert to fraction form
    12,907,291.20/17,811,385.56 = 7,104,939.60/x
  3. Step 3: Cross multiply
    12,907,291.20x = 17,811,385.56 × 7,104,939.60
  4. Step 4: Simplify right side
    12,907,291.20x = 126,548,818,596,112.16
  5. Step 5: Solve for x
    x = 126,548,818,596,112.16/12,907,291.20
  6. Step 6: Final answer
    x = 9,804,444.37

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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.