Home / 19,218,986.06-26,551,008.51-12,619,232.42

Finding the Fourth Proportional to 19,218,986.06, 26,551,008.51 and 12,619,232.42

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Solution

The fourth proportional to 19,218,986.06, 26,551,008.51 and 12,619,232.42 is: 17,433,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,986.06 : 26,551,008.51 = 12,619,232.42 : x
  2. Step 2: Convert to fraction form
    19,218,986.06/26,551,008.51 = 12,619,232.42/x
  3. Step 3: Cross multiply
    19,218,986.06x = 26,551,008.51 × 12,619,232.42
  4. Step 4: Simplify right side
    19,218,986.06x = 335,053,347,373,087.94
  5. Step 5: Solve for x
    x = 335,053,347,373,087.94/19,218,986.06
  6. Step 6: Final answer
    x = 17,433,455.98

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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.