Home / 18,519,782.02-25,557,298.35-10,147,185.40

Finding the Fourth Proportional to 18,519,782.02, 25,557,298.35 and 10,147,185.40

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Solution

The fourth proportional to 18,519,782.02, 25,557,298.35 and 10,147,185.40 is: 14,003,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,782.02 : 25,557,298.35 = 10,147,185.40 : x
  2. Step 2: Convert to fraction form
    18,519,782.02/25,557,298.35 = 10,147,185.40/x
  3. Step 3: Cross multiply
    18,519,782.02x = 25,557,298.35 × 10,147,185.40
  4. Step 4: Simplify right side
    18,519,782.02x = 259,334,644,680,564.12
  5. Step 5: Solve for x
    x = 259,334,644,680,564.12/18,519,782.02
  6. Step 6: Final answer
    x = 14,003,115.39

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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.