Home / 12,408,941.12-18,613,411.68-3,889,322.24

Finding the Fourth Proportional to 12,408,941.12, 18,613,411.68 and 3,889,322.24

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Solution

The fourth proportional to 12,408,941.12, 18,613,411.68 and 3,889,322.24 is: 5,833,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,941.12 : 18,613,411.68 = 3,889,322.24 : x
  2. Step 2: Convert to fraction form
    12,408,941.12/18,613,411.68 = 3,889,322.24/x
  3. Step 3: Cross multiply
    12,408,941.12x = 18,613,411.68 × 3,889,322.24
  4. Step 4: Simplify right side
    12,408,941.12x = 72,393,556,009,299.77
  5. Step 5: Solve for x
    x = 72,393,556,009,299.77/12,408,941.12
  6. Step 6: Final answer
    x = 5,833,983.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.