Home / 19,387,450.37-26,756,219.80-10,687,170.71

Finding the Fourth Proportional to 19,387,450.37, 26,756,219.80 and 10,687,170.71

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Solution

The fourth proportional to 19,387,450.37, 26,756,219.80 and 10,687,170.71 is: 14,749,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,450.37 : 26,756,219.80 = 10,687,170.71 : x
  2. Step 2: Convert to fraction form
    19,387,450.37/26,756,219.80 = 10,687,170.71/x
  3. Step 3: Cross multiply
    19,387,450.37x = 26,756,219.80 × 10,687,170.71
  4. Step 4: Simplify right side
    19,387,450.37x = 285,948,288,637,131.56
  5. Step 5: Solve for x
    x = 285,948,288,637,131.56/19,387,450.37
  6. Step 6: Final answer
    x = 14,749,143.55

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1.5x scale

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.