Home / 19,313,690.47-28,970,546.10-7,181,577.51

Finding the Fourth Proportional to 19,313,690.47, 28,970,546.10 and 7,181,577.51

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Solution

The fourth proportional to 19,313,690.47, 28,970,546.10 and 7,181,577.51 is: 10,772,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,690.47 : 28,970,546.10 = 7,181,577.51 : x
  2. Step 2: Convert to fraction form
    19,313,690.47/28,970,546.10 = 7,181,577.51/x
  3. Step 3: Cross multiply
    19,313,690.47x = 28,970,546.10 × 7,181,577.51
  4. Step 4: Simplify right side
    19,313,690.47x = 208,054,222,229,004.09
  5. Step 5: Solve for x
    x = 208,054,222,229,004.09/19,313,690.47
  6. Step 6: Final answer
    x = 10,772,370.13

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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.