Home / 19,119,326.40-26,384,788.53-11,384,694.72

Finding the Fourth Proportional to 19,119,326.40, 26,384,788.53 and 11,384,694.72

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Solution

The fourth proportional to 19,119,326.40, 26,384,788.53 and 11,384,694.72 is: 15,710,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,326.40 : 26,384,788.53 = 11,384,694.72 : x
  2. Step 2: Convert to fraction form
    19,119,326.40/26,384,788.53 = 11,384,694.72/x
  3. Step 3: Cross multiply
    19,119,326.40x = 26,384,788.53 × 11,384,694.72
  4. Step 4: Simplify right side
    19,119,326.40x = 300,382,762,665,807.56
  5. Step 5: Solve for x
    x = 300,382,762,665,807.56/19,119,326.40
  6. Step 6: Final answer
    x = 15,710,949.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.