Home / 19,570,469.20-29,355,703.80-12,768,024.40

Finding the Fourth Proportional to 19,570,469.20, 29,355,703.80 and 12,768,024.40

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Solution

The fourth proportional to 19,570,469.20, 29,355,703.80 and 12,768,024.40 is: 19,152,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,469.20 : 29,355,703.80 = 12,768,024.40 : x
  2. Step 2: Convert to fraction form
    19,570,469.20/29,355,703.80 = 12,768,024.40/x
  3. Step 3: Cross multiply
    19,570,469.20x = 29,355,703.80 × 12,768,024.40
  4. Step 4: Simplify right side
    19,570,469.20x = 374,814,342,397,572.75
  5. Step 5: Solve for x
    x = 374,814,342,397,572.75/19,570,469.20
  6. Step 6: Final answer
    x = 19,152,036.60

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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.