Home / 19,217,429.70-26,520,647.85-10,515,969.06

Finding the Fourth Proportional to 19,217,429.70, 26,520,647.85 and 10,515,969.06

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Solution

The fourth proportional to 19,217,429.70, 26,520,647.85 and 10,515,969.06 is: 14,512,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217,429.70 : 26,520,647.85 = 10,515,969.06 : x
  2. Step 2: Convert to fraction form
    19,217,429.70/26,520,647.85 = 10,515,969.06/x
  3. Step 3: Cross multiply
    19,217,429.70x = 26,520,647.85 × 10,515,969.06
  4. Step 4: Simplify right side
    19,217,429.70x = 278,890,312,241,755.56
  5. Step 5: Solve for x
    x = 278,890,312,241,755.56/19,217,429.70
  6. Step 6: Final answer
    x = 14,512,362.82

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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.