Home / 28,214,009.69-38,895,975.23-18,923,240.03

Finding the Fourth Proportional to 28,214,009.69, 38,895,975.23 and 18,923,240.03

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Solution

The fourth proportional to 28,214,009.69, 38,895,975.23 and 18,923,240.03 is: 26,087,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,009.69 : 38,895,975.23 = 18,923,240.03 : x
  2. Step 2: Convert to fraction form
    28,214,009.69/38,895,975.23 = 18,923,240.03/x
  3. Step 3: Cross multiply
    28,214,009.69x = 38,895,975.23 × 18,923,240.03
  4. Step 4: Simplify right side
    28,214,009.69x = 736,037,875,189,128.38
  5. Step 5: Solve for x
    x = 736,037,875,189,128.38/28,214,009.69
  6. Step 6: Final answer
    x = 26,087,673.59

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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.