Home / 7,461,603.20-11,192,404.80-5,670,012.80

Finding the Fourth Proportional to 7,461,603.20, 11,192,404.80 and 5,670,012.80

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Solution

The fourth proportional to 7,461,603.20, 11,192,404.80 and 5,670,012.80 is: 8,505,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461,603.20 : 11,192,404.80 = 5,670,012.80 : x
  2. Step 2: Convert to fraction form
    7,461,603.20/11,192,404.80 = 5,670,012.80/x
  3. Step 3: Cross multiply
    7,461,603.20x = 11,192,404.80 × 5,670,012.80
  4. Step 4: Simplify right side
    7,461,603.20x = 63,461,078,478,781.45
  5. Step 5: Solve for x
    x = 63,461,078,478,781.45/7,461,603.20
  6. Step 6: Final answer
    x = 8,505,019.20

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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.