Home / 13,483,253.44-18,606,889.92-7,371,682.08

Finding the Fourth Proportional to 13,483,253.44, 18,606,889.92 and 7,371,682.08

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Solution

The fourth proportional to 13,483,253.44, 18,606,889.92 and 7,371,682.08 is: 10,172,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,253.44 : 18,606,889.92 = 7,371,682.08 : x
  2. Step 2: Convert to fraction form
    13,483,253.44/18,606,889.92 = 7,371,682.08/x
  3. Step 3: Cross multiply
    13,483,253.44x = 18,606,889.92 × 7,371,682.08
  4. Step 4: Simplify right side
    13,483,253.44x = 137,164,076,987,796.64
  5. Step 5: Solve for x
    x = 137,164,076,987,796.64/13,483,253.44
  6. Step 6: Final answer
    x = 10,172,921.36

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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.