Home / 28,608,927.94-39,480,048.12-15,556,195.72

Finding the Fourth Proportional to 28,608,927.94, 39,480,048.12 and 15,556,195.72

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Solution

The fourth proportional to 28,608,927.94, 39,480,048.12 and 15,556,195.72 is: 21,467,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,927.94 : 39,480,048.12 = 15,556,195.72 : x
  2. Step 2: Convert to fraction form
    28,608,927.94/39,480,048.12 = 15,556,195.72/x
  3. Step 3: Cross multiply
    28,608,927.94x = 39,480,048.12 × 15,556,195.72
  4. Step 4: Simplify right side
    28,608,927.94x = 614,159,355,589,738
  5. Step 5: Solve for x
    x = 614,159,355,589,738/28,608,927.94
  6. Step 6: Final answer
    x = 21,467,401.96

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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.