Home / 19,388,768.36-26,756,180.93-10,687,750.56

Finding the Fourth Proportional to 19,388,768.36, 26,756,180.93 and 10,687,750.56

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Solution

The fourth proportional to 19,388,768.36, 26,756,180.93 and 10,687,750.56 is: 14,748,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,768.36 : 26,756,180.93 = 10,687,750.56 : x
  2. Step 2: Convert to fraction form
    19,388,768.36/26,756,180.93 = 10,687,750.56/x
  3. Step 3: Cross multiply
    19,388,768.36x = 26,756,180.93 × 10,687,750.56
  4. Step 4: Simplify right side
    19,388,768.36x = 285,963,387,744,788.25
  5. Step 5: Solve for x
    x = 285,963,387,744,788.25/19,388,768.36
  6. Step 6: Final answer
    x = 14,748,919.71

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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.