Home / 21,889,182.63-30,207,132.91-11,966,185.23

Finding the Fourth Proportional to 21,889,182.63, 30,207,132.91 and 11,966,185.23

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Solution

The fourth proportional to 21,889,182.63, 30,207,132.91 and 11,966,185.23 is: 16,513,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,182.63 : 30,207,132.91 = 11,966,185.23 : x
  2. Step 2: Convert to fraction form
    21,889,182.63/30,207,132.91 = 11,966,185.23/x
  3. Step 3: Cross multiply
    21,889,182.63x = 30,207,132.91 × 11,966,185.23
  4. Step 4: Simplify right side
    21,889,182.63x = 361,464,147,668,288.94
  5. Step 5: Solve for x
    x = 361,464,147,668,288.94/21,889,182.63
  6. Step 6: Final answer
    x = 16,513,368.90

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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.