Home / 28,987,940.75-40,004,332.37-17,064,602.88

Finding the Fourth Proportional to 28,987,940.75, 40,004,332.37 and 17,064,602.88

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Solution

The fourth proportional to 28,987,940.75, 40,004,332.37 and 17,064,602.88 is: 23,549,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987,940.75 : 40,004,332.37 = 17,064,602.88 : x
  2. Step 2: Convert to fraction form
    28,987,940.75/40,004,332.37 = 17,064,602.88/x
  3. Step 3: Cross multiply
    28,987,940.75x = 40,004,332.37 × 17,064,602.88
  4. Step 4: Simplify right side
    28,987,940.75x = 682,658,045,288,256.25
  5. Step 5: Solve for x
    x = 682,658,045,288,256.25/28,987,940.75
  6. Step 6: Final answer
    x = 23,549,725.43

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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.