Home / 28,380,091.20-42,570,136.80-26,190,369.60

Finding the Fourth Proportional to 28,380,091.20, 42,570,136.80 and 26,190,369.60

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Solution

The fourth proportional to 28,380,091.20, 42,570,136.80 and 26,190,369.60 is: 39,285,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,091.20 : 42,570,136.80 = 26,190,369.60 : x
  2. Step 2: Convert to fraction form
    28,380,091.20/42,570,136.80 = 26,190,369.60/x
  3. Step 3: Cross multiply
    28,380,091.20x = 42,570,136.80 × 26,190,369.60
  4. Step 4: Simplify right side
    28,380,091.20x = 1,114,927,616,714,561.25
  5. Step 5: Solve for x
    x = 1,114,927,616,714,561.25/28,380,091.20
  6. Step 6: Final answer
    x = 39,285,554.40

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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.