Home / 13,209,935.40-19,795,779-9,107,044.92

Finding the Fourth Proportional to 13,209,935.40, 19,795,779 and 9,107,044.92

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Solution

The fourth proportional to 13,209,935.40, 19,795,779 and 9,107,044.92 is: 13,647,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,935.40 : 19,795,779 = 9,107,044.92 : x
  2. Step 2: Convert to fraction form
    13,209,935.40/19,795,779 = 9,107,044.92/x
  3. Step 3: Cross multiply
    13,209,935.40x = 19,795,779 × 9,107,044.92
  4. Step 4: Simplify right side
    13,209,935.40x = 180,281,048,579,392.69
  5. Step 5: Solve for x
    x = 180,281,048,579,392.69/13,209,935.40
  6. Step 6: Final answer
    x = 13,647,383.06

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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.