Home / 30,822,199.66-42,518,509.48-19,057,707.37

Finding the Fourth Proportional to 30,822,199.66, 42,518,509.48 and 19,057,707.37

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Solution

The fourth proportional to 30,822,199.66, 42,518,509.48 and 19,057,707.37 is: 26,289,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822,199.66 : 42,518,509.48 = 19,057,707.37 : x
  2. Step 2: Convert to fraction form
    30,822,199.66/42,518,509.48 = 19,057,707.37/x
  3. Step 3: Cross multiply
    30,822,199.66x = 42,518,509.48 × 19,057,707.37
  4. Step 4: Simplify right side
    30,822,199.66x = 810,305,311,436,270.50
  5. Step 5: Solve for x
    x = 810,305,311,436,270.50/30,822,199.66
  6. Step 6: Final answer
    x = 26,289,665.25

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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.