Home / 28,411,675.52-39,208,263.36-15,534,619.52

Finding the Fourth Proportional to 28,411,675.52, 39,208,263.36 and 15,534,619.52

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Solution

The fourth proportional to 28,411,675.52, 39,208,263.36 and 15,534,619.52 is: 21,437,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,675.52 : 39,208,263.36 = 15,534,619.52 : x
  2. Step 2: Convert to fraction form
    28,411,675.52/39,208,263.36 = 15,534,619.52/x
  3. Step 3: Cross multiply
    28,411,675.52x = 39,208,263.36 × 15,534,619.52
  4. Step 4: Simplify right side
    28,411,675.52x = 609,085,453,337,556.75
  5. Step 5: Solve for x
    x = 609,085,453,337,556.75/28,411,675.52
  6. Step 6: Final answer
    x = 21,437,857.58

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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.