Home / 12,623,999.80-18,935,999.70-8,089,036.60

Finding the Fourth Proportional to 12,623,999.80, 18,935,999.70 and 8,089,036.60

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Solution

The fourth proportional to 12,623,999.80, 18,935,999.70 and 8,089,036.60 is: 12,133,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,999.80 : 18,935,999.70 = 8,089,036.60 : x
  2. Step 2: Convert to fraction form
    12,623,999.80/18,935,999.70 = 8,089,036.60/x
  3. Step 3: Cross multiply
    12,623,999.80x = 18,935,999.70 × 8,089,036.60
  4. Step 4: Simplify right side
    12,623,999.80x = 153,173,994,630,889
  5. Step 5: Solve for x
    x = 153,173,994,630,889/12,623,999.80
  6. Step 6: Final answer
    x = 12,133,554.90

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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.