Home / 10,987,537.40-16,483,811.70-3,415,268.60

Finding the Fourth Proportional to 10,987,537.40, 16,483,811.70 and 3,415,268.60

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Solution

The fourth proportional to 10,987,537.40, 16,483,811.70 and 3,415,268.60 is: 5,123,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,537.40 : 16,483,811.70 = 3,415,268.60 : x
  2. Step 2: Convert to fraction form
    10,987,537.40/16,483,811.70 = 3,415,268.60/x
  3. Step 3: Cross multiply
    10,987,537.40x = 16,483,811.70 × 3,415,268.60
  4. Step 4: Simplify right side
    10,987,537.40x = 56,296,644,507,322.62
  5. Step 5: Solve for x
    x = 56,296,644,507,322.62/10,987,537.40
  6. Step 6: Final answer
    x = 5,123,681.72

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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.