Home / 10,515,948.80-15,773,923.20-4,126,409.60

Finding the Fourth Proportional to 10,515,948.80, 15,773,923.20 and 4,126,409.60

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Solution

The fourth proportional to 10,515,948.80, 15,773,923.20 and 4,126,409.60 is: 6,189,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,948.80 : 15,773,923.20 = 4,126,409.60 : x
  2. Step 2: Convert to fraction form
    10,515,948.80/15,773,923.20 = 4,126,409.60/x
  3. Step 3: Cross multiply
    10,515,948.80x = 15,773,923.20 × 4,126,409.60
  4. Step 4: Simplify right side
    10,515,948.80x = 65,089,668,122,142.72
  5. Step 5: Solve for x
    x = 65,089,668,122,142.72/10,515,948.80
  6. Step 6: Final answer
    x = 6,189,614.40

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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.