Home / 12,399,566.40-18,599,698.56-3,424,118.40

Finding the Fourth Proportional to 12,399,566.40, 18,599,698.56 and 3,424,118.40

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Solution

The fourth proportional to 12,399,566.40, 18,599,698.56 and 3,424,118.40 is: 5,136,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,566.40 : 18,599,698.56 = 3,424,118.40 : x
  2. Step 2: Convert to fraction form
    12,399,566.40/18,599,698.56 = 3,424,118.40/x
  3. Step 3: Cross multiply
    12,399,566.40x = 18,599,698.56 × 3,424,118.40
  4. Step 4: Simplify right side
    12,399,566.40x = 63,687,570,073,749.50
  5. Step 5: Solve for x
    x = 63,687,570,073,749.50/12,399,566.40
  6. Step 6: Final answer
    x = 5,136,273.96

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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.