Home / 13,888,278.54-19,165,004.33-7,607,556.74

Finding the Fourth Proportional to 13,888,278.54, 19,165,004.33 and 7,607,556.74

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Solution

The fourth proportional to 13,888,278.54, 19,165,004.33 and 7,607,556.74 is: 10,497,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,278.54 : 19,165,004.33 = 7,607,556.74 : x
  2. Step 2: Convert to fraction form
    13,888,278.54/19,165,004.33 = 7,607,556.74/x
  3. Step 3: Cross multiply
    13,888,278.54x = 19,165,004.33 × 7,607,556.74
  4. Step 4: Simplify right side
    13,888,278.54x = 145,798,857,728,957.88
  5. Step 5: Solve for x
    x = 145,798,857,728,957.88/13,888,278.54
  6. Step 6: Final answer
    x = 10,497,979.09

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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.