Home / 18,147,356.30-27,228,907.65-9,171,908.30

Finding the Fourth Proportional to 18,147,356.30, 27,228,907.65 and 9,171,908.30

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Solution

The fourth proportional to 18,147,356.30, 27,228,907.65 and 9,171,908.30 is: 13,761,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,356.30 : 27,228,907.65 = 9,171,908.30 : x
  2. Step 2: Convert to fraction form
    18,147,356.30/27,228,907.65 = 9,171,908.30/x
  3. Step 3: Cross multiply
    18,147,356.30x = 27,228,907.65 × 9,171,908.30
  4. Step 4: Simplify right side
    18,147,356.30x = 249,741,044,074,968.50
  5. Step 5: Solve for x
    x = 249,741,044,074,968.50/18,147,356.30
  6. Step 6: Final answer
    x = 13,761,841.67

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1.5x scale

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.