Home / 12,900,108.44-17,801,703.24-7,098,347.36

Finding the Fourth Proportional to 12,900,108.44, 17,801,703.24 and 7,098,347.36

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Solution

The fourth proportional to 12,900,108.44, 17,801,703.24 and 7,098,347.36 is: 9,795,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,108.44 : 17,801,703.24 = 7,098,347.36 : x
  2. Step 2: Convert to fraction form
    12,900,108.44/17,801,703.24 = 7,098,347.36/x
  3. Step 3: Cross multiply
    12,900,108.44x = 17,801,703.24 × 7,098,347.36
  4. Step 4: Simplify right side
    12,900,108.44x = 126,362,673,197,157.44
  5. Step 5: Solve for x
    x = 126,362,673,197,157.44/12,900,108.44
  6. Step 6: Final answer
    x = 9,795,473.72

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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.