Home / 12,768,053.60-19,152,080.40-5,200,450.40

Finding the Fourth Proportional to 12,768,053.60, 19,152,080.40 and 5,200,450.40

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Solution

The fourth proportional to 12,768,053.60, 19,152,080.40 and 5,200,450.40 is: 7,800,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,053.60 : 19,152,080.40 = 5,200,450.40 : x
  2. Step 2: Convert to fraction form
    12,768,053.60/19,152,080.40 = 5,200,450.40/x
  3. Step 3: Cross multiply
    12,768,053.60x = 19,152,080.40 × 5,200,450.40
  4. Step 4: Simplify right side
    12,768,053.60x = 99,599,444,177,012.16
  5. Step 5: Solve for x
    x = 99,599,444,177,012.16/12,768,053.60
  6. Step 6: Final answer
    x = 7,800,675.60

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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.