Home / 8,686,851.18-11,977,977.51-5,542,885.59

Finding the Fourth Proportional to 8,686,851.18, 11,977,977.51 and 5,542,885.59

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Solution

The fourth proportional to 8,686,851.18, 11,977,977.51 and 5,542,885.59 is: 7,642,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,851.18 : 11,977,977.51 = 5,542,885.59 : x
  2. Step 2: Convert to fraction form
    8,686,851.18/11,977,977.51 = 5,542,885.59/x
  3. Step 3: Cross multiply
    8,686,851.18x = 11,977,977.51 × 5,542,885.59
  4. Step 4: Simplify right side
    8,686,851.18x = 66,392,558,937,523.08
  5. Step 5: Solve for x
    x = 66,392,558,937,523.08/8,686,851.18
  6. Step 6: Final answer
    x = 7,642,879.75

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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.