Home / 28,642,475.36-39,529,981.75-16,085,593.65

Finding the Fourth Proportional to 28,642,475.36, 39,529,981.75 and 16,085,593.65

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Solution

The fourth proportional to 28,642,475.36, 39,529,981.75 and 16,085,593.65 is: 22,200,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,475.36 : 39,529,981.75 = 16,085,593.65 : x
  2. Step 2: Convert to fraction form
    28,642,475.36/39,529,981.75 = 16,085,593.65/x
  3. Step 3: Cross multiply
    28,642,475.36x = 39,529,981.75 × 16,085,593.65
  4. Step 4: Simplify right side
    28,642,475.36x = 635,863,223,144,338
  5. Step 5: Solve for x
    x = 635,863,223,144,338/28,642,475.36
  6. Step 6: Final answer
    x = 22,200,009.44

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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.