Home / 28,546,089.04-39,393,639.76-15,493,346.44

Finding the Fourth Proportional to 28,546,089.04, 39,393,639.76 and 15,493,346.44

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Solution

The fourth proportional to 28,546,089.04, 39,393,639.76 and 15,493,346.44 is: 21,380,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,089.04 : 39,393,639.76 = 15,493,346.44 : x
  2. Step 2: Convert to fraction form
    28,546,089.04/39,393,639.76 = 15,493,346.44/x
  3. Step 3: Cross multiply
    28,546,089.04x = 39,393,639.76 × 15,493,346.44
  4. Step 4: Simplify right side
    28,546,089.04x = 610,339,308,334,238.38
  5. Step 5: Solve for x
    x = 610,339,308,334,238.38/28,546,089.04
  6. Step 6: Final answer
    x = 21,380,838.11

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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.