Home / 28,678,059.69-42,975,361.50-17,724,863.85

Finding the Fourth Proportional to 28,678,059.69, 42,975,361.50 and 17,724,863.85

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Solution

The fourth proportional to 28,678,059.69, 42,975,361.50 and 17,724,863.85 is: 26,561,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,059.69 : 42,975,361.50 = 17,724,863.85 : x
  2. Step 2: Convert to fraction form
    28,678,059.69/42,975,361.50 = 17,724,863.85/x
  3. Step 3: Cross multiply
    28,678,059.69x = 42,975,361.50 × 17,724,863.85
  4. Step 4: Simplify right side
    28,678,059.69x = 761,732,431,492,031.88
  5. Step 5: Solve for x
    x = 761,732,431,492,031.88/28,678,059.69
  6. Step 6: Final answer
    x = 26,561,505.20

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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.