Home / 28,502,515.54-39,333,975.33-15,450,207.94

Finding the Fourth Proportional to 28,502,515.54, 39,333,975.33 and 15,450,207.94

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Solution

The fourth proportional to 28,502,515.54, 39,333,975.33 and 15,450,207.94 is: 21,321,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,515.54 : 39,333,975.33 = 15,450,207.94 : x
  2. Step 2: Convert to fraction form
    28,502,515.54/39,333,975.33 = 15,450,207.94/x
  3. Step 3: Cross multiply
    28,502,515.54x = 39,333,975.33 × 15,450,207.94
  4. Step 4: Simplify right side
    28,502,515.54x = 607,718,097,955,330.12
  5. Step 5: Solve for x
    x = 607,718,097,955,330.12/28,502,515.54
  6. Step 6: Final answer
    x = 21,321,560.10

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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.