Home / 19,567,067.20-29,350,600.80-12,292,230.40

Finding the Fourth Proportional to 19,567,067.20, 29,350,600.80 and 12,292,230.40

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Solution

The fourth proportional to 19,567,067.20, 29,350,600.80 and 12,292,230.40 is: 18,438,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567,067.20 : 29,350,600.80 = 12,292,230.40 : x
  2. Step 2: Convert to fraction form
    19,567,067.20/29,350,600.80 = 12,292,230.40/x
  3. Step 3: Cross multiply
    19,567,067.20x = 29,350,600.80 × 12,292,230.40
  4. Step 4: Simplify right side
    19,567,067.20x = 360,784,347,412,024.31
  5. Step 5: Solve for x
    x = 360,784,347,412,024.31/19,567,067.20
  6. Step 6: Final answer
    x = 18,438,345.60

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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.