Home / 17,415,849.60-26,098,965.32-12,830,840.55

Finding the Fourth Proportional to 17,415,849.60, 26,098,965.32 and 12,830,840.55

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Solution

The fourth proportional to 17,415,849.60, 26,098,965.32 and 12,830,840.55 is: 19,227,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415,849.60 : 26,098,965.32 = 12,830,840.55 : x
  2. Step 2: Convert to fraction form
    17,415,849.60/26,098,965.32 = 12,830,840.55/x
  3. Step 3: Cross multiply
    17,415,849.60x = 26,098,965.32 × 12,830,840.55
  4. Step 4: Simplify right side
    17,415,849.60x = 334,871,662,476,745.56
  5. Step 5: Solve for x
    x = 334,871,662,476,745.56/17,415,849.60
  6. Step 6: Final answer
    x = 19,227,983.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.