Home / 28,893,640.52-39,877,286.10-17,883,921.80

Finding the Fourth Proportional to 28,893,640.52, 39,877,286.10 and 17,883,921.80

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Solution

The fourth proportional to 28,893,640.52, 39,877,286.10 and 17,883,921.80 is: 24,682,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893,640.52 : 39,877,286.10 = 17,883,921.80 : x
  2. Step 2: Convert to fraction form
    28,893,640.52/39,877,286.10 = 17,883,921.80/x
  3. Step 3: Cross multiply
    28,893,640.52x = 39,877,286.10 × 17,883,921.80
  4. Step 4: Simplify right side
    28,893,640.52x = 713,162,266,208,627
  5. Step 5: Solve for x
    x = 713,162,266,208,627/28,893,640.52
  6. Step 6: Final answer
    x = 24,682,326.40

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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.