Home / 30,976,014.96-42,747,939.36-17,037,959.76

Finding the Fourth Proportional to 30,976,014.96, 42,747,939.36 and 17,037,959.76

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Solution

The fourth proportional to 30,976,014.96, 42,747,939.36 and 17,037,959.76 is: 23,512,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,014.96 : 42,747,939.36 = 17,037,959.76 : x
  2. Step 2: Convert to fraction form
    30,976,014.96/42,747,939.36 = 17,037,959.76/x
  3. Step 3: Cross multiply
    30,976,014.96x = 42,747,939.36 × 17,037,959.76
  4. Step 4: Simplify right side
    30,976,014.96x = 728,337,670,638,600.25
  5. Step 5: Solve for x
    x = 728,337,670,638,600.25/30,976,014.96
  6. Step 6: Final answer
    x = 23,512,955.80

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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.