Home / 12,298,143.30-18,458,409.29-6,545,706.36

Finding the Fourth Proportional to 12,298,143.30, 18,458,409.29 and 6,545,706.36

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Solution

The fourth proportional to 12,298,143.30, 18,458,409.29 and 6,545,706.36 is: 9,824,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,143.30 : 18,458,409.29 = 6,545,706.36 : x
  2. Step 2: Convert to fraction form
    12,298,143.30/18,458,409.29 = 6,545,706.36/x
  3. Step 3: Cross multiply
    12,298,143.30x = 18,458,409.29 × 6,545,706.36
  4. Step 4: Simplify right side
    12,298,143.30x = 120,823,327,052,307.56
  5. Step 5: Solve for x
    x = 120,823,327,052,307.56/12,298,143.30
  6. Step 6: Final answer
    x = 9,824,517.74

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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.