Home / 12,637,821.48-17,440,278.66-7,743,052.84

Finding the Fourth Proportional to 12,637,821.48, 17,440,278.66 and 7,743,052.84

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Solution

The fourth proportional to 12,637,821.48, 17,440,278.66 and 7,743,052.84 is: 10,685,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,821.48 : 17,440,278.66 = 7,743,052.84 : x
  2. Step 2: Convert to fraction form
    12,637,821.48/17,440,278.66 = 7,743,052.84/x
  3. Step 3: Cross multiply
    12,637,821.48x = 17,440,278.66 × 7,743,052.84
  4. Step 4: Simplify right side
    12,637,821.48x = 135,040,999,208,704.39
  5. Step 5: Solve for x
    x = 135,040,999,208,704.39/12,637,821.48
  6. Step 6: Final answer
    x = 10,685,465.01

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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.