Home / 17,899,853.45-26,863,151.85-12,128,903.55

Finding the Fourth Proportional to 17,899,853.45, 26,863,151.85 and 12,128,903.55

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Solution

The fourth proportional to 17,899,853.45, 26,863,151.85 and 12,128,903.55 is: 18,202,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899,853.45 : 26,863,151.85 = 12,128,903.55 : x
  2. Step 2: Convert to fraction form
    17,899,853.45/26,863,151.85 = 12,128,903.55/x
  3. Step 3: Cross multiply
    17,899,853.45x = 26,863,151.85 × 12,128,903.55
  4. Step 4: Simplify right side
    17,899,853.45x = 325,820,577,837,654.12
  5. Step 5: Solve for x
    x = 325,820,577,837,654.12/17,899,853.45
  6. Step 6: Final answer
    x = 18,202,415.95

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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.