Home / 28,446,561.37-39,256,254.67-15,393,820.26

Finding the Fourth Proportional to 28,446,561.37, 39,256,254.67 and 15,393,820.26

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Solution

The fourth proportional to 28,446,561.37, 39,256,254.67 and 15,393,820.26 is: 21,243,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,561.37 : 39,256,254.67 = 15,393,820.26 : x
  2. Step 2: Convert to fraction form
    28,446,561.37/39,256,254.67 = 15,393,820.26/x
  3. Step 3: Cross multiply
    28,446,561.37x = 39,256,254.67 × 15,393,820.26
  4. Step 4: Simplify right side
    28,446,561.37x = 604,303,728,608,355.50
  5. Step 5: Solve for x
    x = 604,303,728,608,355.50/28,446,561.37
  6. Step 6: Final answer
    x = 21,243,471.96

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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.