Home / 13,819,215.37-19,070,583.54-7,624,261.77

Finding the Fourth Proportional to 13,819,215.37, 19,070,583.54 and 7,624,261.77

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Solution

The fourth proportional to 13,819,215.37, 19,070,583.54 and 7,624,261.77 is: 10,521,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,215.37 : 19,070,583.54 = 7,624,261.77 : x
  2. Step 2: Convert to fraction form
    13,819,215.37/19,070,583.54 = 7,624,261.77/x
  3. Step 3: Cross multiply
    13,819,215.37x = 19,070,583.54 × 7,624,261.77
  4. Step 4: Simplify right side
    13,819,215.37x = 145,399,121,015,613.25
  5. Step 5: Solve for x
    x = 145,399,121,015,613.25/13,819,215.37
  6. Step 6: Final answer
    x = 10,521,517.84

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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.