Home / 20,049,411.49-27,668,805.65-11,787,975.25

Finding the Fourth Proportional to 20,049,411.49, 27,668,805.65 and 11,787,975.25

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Solution

The fourth proportional to 20,049,411.49, 27,668,805.65 and 11,787,975.25 is: 16,267,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,411.49 : 27,668,805.65 = 11,787,975.25 : x
  2. Step 2: Convert to fraction form
    20,049,411.49/27,668,805.65 = 11,787,975.25/x
  3. Step 3: Cross multiply
    20,049,411.49x = 27,668,805.65 × 11,787,975.25
  4. Step 4: Simplify right side
    20,049,411.49x = 326,159,196,140,320.25
  5. Step 5: Solve for x
    x = 326,159,196,140,320.25/20,049,411.49
  6. Step 6: Final answer
    x = 16,267,769.07

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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.