Home / 18,139,893.59-25,049,689.00-11,526,661.67

Finding the Fourth Proportional to 18,139,893.59, 25,049,689.00 and 11,526,661.67

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Solution

The fourth proportional to 18,139,893.59, 25,049,689.00 and 11,526,661.67 is: 15,917,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,893.59 : 25,049,689.00 = 11,526,661.67 : x
  2. Step 2: Convert to fraction form
    18,139,893.59/25,049,689.00 = 11,526,661.67/x
  3. Step 3: Cross multiply
    18,139,893.59x = 25,049,689.00 × 11,526,661.67
  4. Step 4: Simplify right side
    18,139,893.59x = 288,739,289,887,655.50
  5. Step 5: Solve for x
    x = 288,739,289,887,655.50/18,139,893.59
  6. Step 6: Final answer
    x = 15,917,364.04

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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.