Home / 19,416,363.51-29,116,975.50-7,279,210.64

Finding the Fourth Proportional to 19,416,363.51, 29,116,975.50 and 7,279,210.64

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Solution

The fourth proportional to 19,416,363.51, 29,116,975.50 and 7,279,210.64 is: 10,915,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416,363.51 : 29,116,975.50 = 7,279,210.64 : x
  2. Step 2: Convert to fraction form
    19,416,363.51/29,116,975.50 = 7,279,210.64/x
  3. Step 3: Cross multiply
    19,416,363.51x = 29,116,975.50 × 7,279,210.64
  4. Step 4: Simplify right side
    19,416,363.51x = 211,948,597,718,634.44
  5. Step 5: Solve for x
    x = 211,948,597,718,634.44/19,416,363.51
  6. Step 6: Final answer
    x = 10,915,978.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.