Home / 13,112,443.80-19,668,665.70-12,104,674.20

Finding the Fourth Proportional to 13,112,443.80, 19,668,665.70 and 12,104,674.20

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Solution

The fourth proportional to 13,112,443.80, 19,668,665.70 and 12,104,674.20 is: 18,157,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,443.80 : 19,668,665.70 = 12,104,674.20 : x
  2. Step 2: Convert to fraction form
    13,112,443.80/19,668,665.70 = 12,104,674.20/x
  3. Step 3: Cross multiply
    13,112,443.80x = 19,668,665.70 × 12,104,674.20
  4. Step 4: Simplify right side
    13,112,443.80x = 238,082,790,247,214.91
  5. Step 5: Solve for x
    x = 238,082,790,247,214.91/13,112,443.80
  6. Step 6: Final answer
    x = 18,157,011.30

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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.