Home / 13,694,267-18,897,857.46-7,582,564.28

Finding the Fourth Proportional to 13,694,267, 18,897,857.46 and 7,582,564.28

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Solution

The fourth proportional to 13,694,267, 18,897,857.46 and 7,582,564.28 is: 10,463,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,267 : 18,897,857.46 = 7,582,564.28 : x
  2. Step 2: Convert to fraction form
    13,694,267/18,897,857.46 = 7,582,564.28/x
  3. Step 3: Cross multiply
    13,694,267x = 18,897,857.46 × 7,582,564.28
  4. Step 4: Simplify right side
    13,694,267x = 143,294,218,944,727.53
  5. Step 5: Solve for x
    x = 143,294,218,944,727.53/13,694,267
  6. Step 6: Final answer
    x = 10,463,810.80

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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.