Home / 12,209,388.84-18,314,474.24-6,140,808.36

Finding the Fourth Proportional to 12,209,388.84, 18,314,474.24 and 6,140,808.36

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Solution

The fourth proportional to 12,209,388.84, 18,314,474.24 and 6,140,808.36 is: 9,211,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,388.84 : 18,314,474.24 = 6,140,808.36 : x
  2. Step 2: Convert to fraction form
    12,209,388.84/18,314,474.24 = 6,140,808.36/x
  3. Step 3: Cross multiply
    12,209,388.84x = 18,314,474.24 × 6,140,808.36
  4. Step 4: Simplify right side
    12,209,388.84x = 112,465,676,521,996.64
  5. Step 5: Solve for x
    x = 112,465,676,521,996.64/12,209,388.84
  6. Step 6: Final answer
    x = 9,211,409.19

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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.