Home / 12,992,145.60-19,488,218.40-4,017,604.80

Finding the Fourth Proportional to 12,992,145.60, 19,488,218.40 and 4,017,604.80

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Solution

The fourth proportional to 12,992,145.60, 19,488,218.40 and 4,017,604.80 is: 6,026,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,145.60 : 19,488,218.40 = 4,017,604.80 : x
  2. Step 2: Convert to fraction form
    12,992,145.60/19,488,218.40 = 4,017,604.80/x
  3. Step 3: Cross multiply
    12,992,145.60x = 19,488,218.40 × 4,017,604.80
  4. Step 4: Simplify right side
    12,992,145.60x = 78,295,959,787,288.31
  5. Step 5: Solve for x
    x = 78,295,959,787,288.31/12,992,145.60
  6. Step 6: Final answer
    x = 6,026,407.20

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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.