Home / 28,333,992.08-39,097,894.20-15,943,869.56

Finding the Fourth Proportional to 28,333,992.08, 39,097,894.20 and 15,943,869.56

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Solution

The fourth proportional to 28,333,992.08, 39,097,894.20 and 15,943,869.56 is: 22,000,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,992.08 : 39,097,894.20 = 15,943,869.56 : x
  2. Step 2: Convert to fraction form
    28,333,992.08/39,097,894.20 = 15,943,869.56/x
  3. Step 3: Cross multiply
    28,333,992.08x = 39,097,894.20 × 15,943,869.56
  4. Step 4: Simplify right side
    28,333,992.08x = 623,371,725,195,480.62
  5. Step 5: Solve for x
    x = 623,371,725,195,480.62/28,333,992.08
  6. Step 6: Final answer
    x = 22,000,843.49

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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.