Home / 30,890,675.20-46,336,012.80-19,581,260.80

Finding the Fourth Proportional to 30,890,675.20, 46,336,012.80 and 19,581,260.80

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Solution

The fourth proportional to 30,890,675.20, 46,336,012.80 and 19,581,260.80 is: 29,371,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890,675.20 : 46,336,012.80 = 19,581,260.80 : x
  2. Step 2: Convert to fraction form
    30,890,675.20/46,336,012.80 = 19,581,260.80/x
  3. Step 3: Cross multiply
    30,890,675.20x = 46,336,012.80 × 19,581,260.80
  4. Step 4: Simplify right side
    30,890,675.20x = 907,317,551,068,938.25
  5. Step 5: Solve for x
    x = 907,317,551,068,938.25/30,890,675.20
  6. Step 6: Final answer
    x = 29,371,891.20

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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.