Home / 28,640,893.01-39,525,271.65-15,588,997.29

Finding the Fourth Proportional to 28,640,893.01, 39,525,271.65 and 15,588,997.29

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Solution

The fourth proportional to 28,640,893.01, 39,525,271.65 and 15,588,997.29 is: 21,513,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640,893.01 : 39,525,271.65 = 15,588,997.29 : x
  2. Step 2: Convert to fraction form
    28,640,893.01/39,525,271.65 = 15,588,997.29/x
  3. Step 3: Cross multiply
    28,640,893.01x = 39,525,271.65 × 15,588,997.29
  4. Step 4: Simplify right side
    28,640,893.01x = 616,159,352,638,363.75
  5. Step 5: Solve for x
    x = 616,159,352,638,363.75/28,640,893.01
  6. Step 6: Final answer
    x = 21,513,273.09

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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.