Home / 28,546,633.40-39,393,300.37-15,493,612.06

Finding the Fourth Proportional to 28,546,633.40, 39,393,300.37 and 15,493,612.06

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Solution

The fourth proportional to 28,546,633.40, 39,393,300.37 and 15,493,612.06 is: 21,380,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,633.40 : 39,393,300.37 = 15,493,612.06 : x
  2. Step 2: Convert to fraction form
    28,546,633.40/39,393,300.37 = 15,493,612.06/x
  3. Step 3: Cross multiply
    28,546,633.40x = 39,393,300.37 × 15,493,612.06
  4. Step 4: Simplify right side
    28,546,633.40x = 610,344,513,421,399.88
  5. Step 5: Solve for x
    x = 610,344,513,421,399.88/28,546,633.40
  6. Step 6: Final answer
    x = 21,380,612.73

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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.