Home / 20,265,450-27,966,279.42-10,973,017.30

Finding the Fourth Proportional to 20,265,450, 27,966,279.42 and 10,973,017.30

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Solution

The fourth proportional to 20,265,450, 27,966,279.42 and 10,973,017.30 is: 15,142,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,450 : 27,966,279.42 = 10,973,017.30 : x
  2. Step 2: Convert to fraction form
    20,265,450/27,966,279.42 = 10,973,017.30/x
  3. Step 3: Cross multiply
    20,265,450x = 27,966,279.42 × 10,973,017.30
  4. Step 4: Simplify right side
    20,265,450x = 306,874,467,892,294
  5. Step 5: Solve for x
    x = 306,874,467,892,294/20,265,450
  6. Step 6: Final answer
    x = 15,142,741.36

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1.5x scale

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.