Home / 19,389,758.50-26,759,063.88-10,687,911.48

Finding the Fourth Proportional to 19,389,758.50, 26,759,063.88 and 10,687,911.48

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Solution

The fourth proportional to 19,389,758.50, 26,759,063.88 and 10,687,911.48 is: 14,749,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,758.50 : 26,759,063.88 = 10,687,911.48 : x
  2. Step 2: Convert to fraction form
    19,389,758.50/26,759,063.88 = 10,687,911.48/x
  3. Step 3: Cross multiply
    19,389,758.50x = 26,759,063.88 × 10,687,911.48
  4. Step 4: Simplify right side
    19,389,758.50x = 285,998,506,037,105.31
  5. Step 5: Solve for x
    x = 285,998,506,037,105.31/19,389,758.50
  6. Step 6: Final answer
    x = 14,749,977.73

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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.