Home / 13,694,279.94-18,897,875.37-7,582,577.22

Finding the Fourth Proportional to 13,694,279.94, 18,897,875.37 and 7,582,577.22

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Solution

The fourth proportional to 13,694,279.94, 18,897,875.37 and 7,582,577.22 is: 10,463,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,279.94 : 18,897,875.37 = 7,582,577.22 : x
  2. Step 2: Convert to fraction form
    13,694,279.94/18,897,875.37 = 7,582,577.22/x
  3. Step 3: Cross multiply
    13,694,279.94x = 18,897,875.37 × 7,582,577.22
  4. Step 4: Simplify right side
    13,694,279.94x = 143,294,599,286,961.06
  5. Step 5: Solve for x
    x = 143,294,599,286,961.06/13,694,279.94
  6. Step 6: Final answer
    x = 10,463,828.69

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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.