Home / 13,209,936.40-19,795,780.50-9,107,045.92

Finding the Fourth Proportional to 13,209,936.40, 19,795,780.50 and 9,107,045.92

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Solution

The fourth proportional to 13,209,936.40, 19,795,780.50 and 9,107,045.92 is: 13,647,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,936.40 : 19,795,780.50 = 9,107,045.92 : x
  2. Step 2: Convert to fraction form
    13,209,936.40/19,795,780.50 = 9,107,045.92/x
  3. Step 3: Cross multiply
    13,209,936.40x = 19,795,780.50 × 9,107,045.92
  4. Step 4: Simplify right side
    13,209,936.40x = 180,281,082,035,740.56
  5. Step 5: Solve for x
    x = 180,281,082,035,740.56/13,209,936.40
  6. Step 6: Final answer
    x = 13,647,384.56

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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.