Home / 18,898,317.26-26,087,739.22-12,706,952.72

Finding the Fourth Proportional to 18,898,317.26, 26,087,739.22 and 12,706,952.72

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Solution

The fourth proportional to 18,898,317.26, 26,087,739.22 and 12,706,952.72 is: 17,541,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,317.26 : 26,087,739.22 = 12,706,952.72 : x
  2. Step 2: Convert to fraction form
    18,898,317.26/26,087,739.22 = 12,706,952.72/x
  3. Step 3: Cross multiply
    18,898,317.26x = 26,087,739.22 × 12,706,952.72
  4. Step 4: Simplify right side
    18,898,317.26x = 331,495,668,840,229.69
  5. Step 5: Solve for x
    x = 331,495,668,840,229.69/18,898,317.26
  6. Step 6: Final answer
    x = 17,541,015.12

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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.