Home / 10,987,430.40-16,481,145.60-7,404,249.60

Finding the Fourth Proportional to 10,987,430.40, 16,481,145.60 and 7,404,249.60

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Solution

The fourth proportional to 10,987,430.40, 16,481,145.60 and 7,404,249.60 is: 11,106,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,430.40 : 16,481,145.60 = 7,404,249.60 : x
  2. Step 2: Convert to fraction form
    10,987,430.40/16,481,145.60 = 7,404,249.60/x
  3. Step 3: Cross multiply
    10,987,430.40x = 16,481,145.60 × 7,404,249.60
  4. Step 4: Simplify right side
    10,987,430.40x = 122,030,515,716,341.75
  5. Step 5: Solve for x
    x = 122,030,515,716,341.75/10,987,430.40
  6. Step 6: Final answer
    x = 11,106,374.40

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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.