Home / 28,640,888.51-39,525,265.44-15,588,992.79

Finding the Fourth Proportional to 28,640,888.51, 39,525,265.44 and 15,588,992.79

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Solution

The fourth proportional to 28,640,888.51, 39,525,265.44 and 15,588,992.79 is: 21,513,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640,888.51 : 39,525,265.44 = 15,588,992.79 : x
  2. Step 2: Convert to fraction form
    28,640,888.51/39,525,265.44 = 15,588,992.79/x
  3. Step 3: Cross multiply
    28,640,888.51x = 39,525,265.44 × 15,588,992.79
  4. Step 4: Simplify right side
    28,640,888.51x = 616,159,077,966,996.12
  5. Step 5: Solve for x
    x = 616,159,077,966,996.12/28,640,888.51
  6. Step 6: Final answer
    x = 21,513,266.88

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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.