Home / 37,984,815-52,418,971.44-20,581,631.28

Finding the Fourth Proportional to 37,984,815, 52,418,971.44 and 20,581,631.28

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Solution

The fourth proportional to 37,984,815, 52,418,971.44 and 20,581,631.28 is: 28,402,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,984,815 : 52,418,971.44 = 20,581,631.28 : x
  2. Step 2: Convert to fraction form
    37,984,815/52,418,971.44 = 20,581,631.28/x
  3. Step 3: Cross multiply
    37,984,815x = 52,418,971.44 × 20,581,631.28
  4. Step 4: Simplify right side
    37,984,815x = 1,078,867,942,254,930.62
  5. Step 5: Solve for x
    x = 1,078,867,942,254,930.62/37,984,815
  6. Step 6: Final answer
    x = 28,402,611.47

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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.