Home / 21,141,543.85-29,179,422.16-13,786,608.02

Finding the Fourth Proportional to 21,141,543.85, 29,179,422.16 and 13,786,608.02

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Solution

The fourth proportional to 21,141,543.85, 29,179,422.16 and 13,786,608.02 is: 19,028,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,543.85 : 29,179,422.16 = 13,786,608.02 : x
  2. Step 2: Convert to fraction form
    21,141,543.85/29,179,422.16 = 13,786,608.02/x
  3. Step 3: Cross multiply
    21,141,543.85x = 29,179,422.16 × 13,786,608.02
  4. Step 4: Simplify right side
    21,141,543.85x = 402,285,255,389,658.06
  5. Step 5: Solve for x
    x = 402,285,255,389,658.06/21,141,543.85
  6. Step 6: Final answer
    x = 19,028,187.26

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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.