Home / 18,519,031.24-25,556,259.82-10,259,630.36

Finding the Fourth Proportional to 18,519,031.24, 25,556,259.82 and 10,259,630.36

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Solution

The fourth proportional to 18,519,031.24, 25,556,259.82 and 10,259,630.36 is: 14,158,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,031.24 : 25,556,259.82 = 10,259,630.36 : x
  2. Step 2: Convert to fraction form
    18,519,031.24/25,556,259.82 = 10,259,630.36/x
  3. Step 3: Cross multiply
    18,519,031.24x = 25,556,259.82 × 10,259,630.36
  4. Step 4: Simplify right side
    18,519,031.24x = 262,197,779,137,320.12
  5. Step 5: Solve for x
    x = 262,197,779,137,320.12/18,519,031.24
  6. Step 6: Final answer
    x = 14,158,288.07

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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.