Home / 30,896,027.40-42,638,514.75-17,144,991.48

Finding the Fourth Proportional to 30,896,027.40, 42,638,514.75 and 17,144,991.48

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Solution

The fourth proportional to 30,896,027.40, 42,638,514.75 and 17,144,991.48 is: 23,661,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896,027.40 : 42,638,514.75 = 17,144,991.48 : x
  2. Step 2: Convert to fraction form
    30,896,027.40/42,638,514.75 = 17,144,991.48/x
  3. Step 3: Cross multiply
    30,896,027.40x = 42,638,514.75 × 17,144,991.48
  4. Step 4: Simplify right side
    30,896,027.40x = 731,036,972,108,604.38
  5. Step 5: Solve for x
    x = 731,036,972,108,604.38/30,896,027.40
  6. Step 6: Final answer
    x = 23,661,196.39

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1.5x scale

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.