Home / 20,696,878.50-28,562,946.48-11,404,437.34

Finding the Fourth Proportional to 20,696,878.50, 28,562,946.48 and 11,404,437.34

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Solution

The fourth proportional to 20,696,878.50, 28,562,946.48 and 11,404,437.34 is: 15,738,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,878.50 : 28,562,946.48 = 11,404,437.34 : x
  2. Step 2: Convert to fraction form
    20,696,878.50/28,562,946.48 = 11,404,437.34/x
  3. Step 3: Cross multiply
    20,696,878.50x = 28,562,946.48 × 11,404,437.34
  4. Step 4: Simplify right side
    20,696,878.50x = 325,744,333,376,933.56
  5. Step 5: Solve for x
    x = 325,744,333,376,933.56/20,696,878.50
  6. Step 6: Final answer
    x = 15,738,814.59

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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.