Home / 28,678,042.89-42,975,336.33-17,724,847.05

Finding the Fourth Proportional to 28,678,042.89, 42,975,336.33 and 17,724,847.05

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Solution

The fourth proportional to 28,678,042.89, 42,975,336.33 and 17,724,847.05 is: 26,561,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,042.89 : 42,975,336.33 = 17,724,847.05 : x
  2. Step 2: Convert to fraction form
    28,678,042.89/42,975,336.33 = 17,724,847.05/x
  3. Step 3: Cross multiply
    28,678,042.89x = 42,975,336.33 × 17,724,847.05
  4. Step 4: Simplify right side
    28,678,042.89x = 761,731,263,371,558.38
  5. Step 5: Solve for x
    x = 761,731,263,371,558.38/28,678,042.89
  6. Step 6: Final answer
    x = 26,561,480.02

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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.