Home / 18,698,222.72-28,050,969.36-7,182,848

Finding the Fourth Proportional to 18,698,222.72, 28,050,969.36 and 7,182,848

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Solution

The fourth proportional to 18,698,222.72, 28,050,969.36 and 7,182,848 is: 10,775,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,222.72 : 28,050,969.36 = 7,182,848 : x
  2. Step 2: Convert to fraction form
    18,698,222.72/28,050,969.36 = 7,182,848/x
  3. Step 3: Cross multiply
    18,698,222.72x = 28,050,969.36 × 7,182,848
  4. Step 4: Simplify right side
    18,698,222.72x = 201,485,849,165,537.28
  5. Step 5: Solve for x
    x = 201,485,849,165,537.28/18,698,222.72
  6. Step 6: Final answer
    x = 10,775,668.48

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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.