Home / 12,778,782.14-17,634,741.15-6,977,440.24

Finding the Fourth Proportional to 12,778,782.14, 17,634,741.15 and 6,977,440.24

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Solution

The fourth proportional to 12,778,782.14, 17,634,741.15 and 6,977,440.24 is: 9,628,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,782.14 : 17,634,741.15 = 6,977,440.24 : x
  2. Step 2: Convert to fraction form
    12,778,782.14/17,634,741.15 = 6,977,440.24/x
  3. Step 3: Cross multiply
    12,778,782.14x = 17,634,741.15 × 6,977,440.24
  4. Step 4: Simplify right side
    12,778,782.14x = 123,045,352,504,072.41
  5. Step 5: Solve for x
    x = 123,045,352,504,072.41/12,778,782.14
  6. Step 6: Final answer
    x = 9,628,879.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.