Home / 12,692,643.80-19,049,852.10-5,125,040.60

Finding the Fourth Proportional to 12,692,643.80, 19,049,852.10 and 5,125,040.60

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Solution

The fourth proportional to 12,692,643.80, 19,049,852.10 and 5,125,040.60 is: 7,691,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,643.80 : 19,049,852.10 = 5,125,040.60 : x
  2. Step 2: Convert to fraction form
    12,692,643.80/19,049,852.10 = 5,125,040.60/x
  3. Step 3: Cross multiply
    12,692,643.80x = 19,049,852.10 × 5,125,040.60
  4. Step 4: Simplify right side
    12,692,643.80x = 97,631,265,436,495.27
  5. Step 5: Solve for x
    x = 97,631,265,436,495.27/12,692,643.80
  6. Step 6: Final answer
    x = 7,691,956.61

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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.