Home / 28,585,477.17-39,448,208.40-15,532,736.04

Finding the Fourth Proportional to 28,585,477.17, 39,448,208.40 and 15,532,736.04

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Solution

The fourth proportional to 28,585,477.17, 39,448,208.40 and 15,532,736.04 is: 21,435,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,477.17 : 39,448,208.40 = 15,532,736.04 : x
  2. Step 2: Convert to fraction form
    28,585,477.17/39,448,208.40 = 15,532,736.04/x
  3. Step 3: Cross multiply
    28,585,477.17x = 39,448,208.40 × 15,532,736.04
  4. Step 4: Simplify right side
    28,585,477.17x = 612,738,608,328,110.62
  5. Step 5: Solve for x
    x = 612,738,608,328,110.62/28,585,477.17
  6. Step 6: Final answer
    x = 21,435,311.53

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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.