Home / 14,212,722.49-19,613,615.73-7,686,351.81

Finding the Fourth Proportional to 14,212,722.49, 19,613,615.73 and 7,686,351.81

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Solution

The fourth proportional to 14,212,722.49, 19,613,615.73 and 7,686,351.81 is: 10,607,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,722.49 : 19,613,615.73 = 7,686,351.81 : x
  2. Step 2: Convert to fraction form
    14,212,722.49/19,613,615.73 = 7,686,351.81/x
  3. Step 3: Cross multiply
    14,212,722.49x = 19,613,615.73 × 7,686,351.81
  4. Step 4: Simplify right side
    14,212,722.49x = 150,757,150,766,929.97
  5. Step 5: Solve for x
    x = 150,757,150,766,929.97/14,212,722.49
  6. Step 6: Final answer
    x = 10,607,197.24

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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.