Home / 12,846,513.40-19,262,074.86-4,089,009.49

Finding the Fourth Proportional to 12,846,513.40, 19,262,074.86 and 4,089,009.49

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Solution

The fourth proportional to 12,846,513.40, 19,262,074.86 and 4,089,009.49 is: 6,131,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,513.40 : 19,262,074.86 = 4,089,009.49 : x
  2. Step 2: Convert to fraction form
    12,846,513.40/19,262,074.86 = 4,089,009.49/x
  3. Step 3: Cross multiply
    12,846,513.40x = 19,262,074.86 × 4,089,009.49
  4. Step 4: Simplify right side
    12,846,513.40x = 78,762,806,851,475.23
  5. Step 5: Solve for x
    x = 78,762,806,851,475.23/12,846,513.40
  6. Step 6: Final answer
    x = 6,131,064.86

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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.