Home / 28,092,814.70-42,142,028.70-7,622,859.20

Finding the Fourth Proportional to 28,092,814.70, 42,142,028.70 and 7,622,859.20

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Solution

The fourth proportional to 28,092,814.70, 42,142,028.70 and 7,622,859.20 is: 11,435,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,814.70 : 42,142,028.70 = 7,622,859.20 : x
  2. Step 2: Convert to fraction form
    28,092,814.70/42,142,028.70 = 7,622,859.20/x
  3. Step 3: Cross multiply
    28,092,814.70x = 42,142,028.70 × 7,622,859.20
  4. Step 4: Simplify right side
    28,092,814.70x = 321,242,751,182,459.06
  5. Step 5: Solve for x
    x = 321,242,751,182,459.06/28,092,814.70
  6. Step 6: Final answer
    x = 11,435,050.37

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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.