Finding the Fourth Proportional to 13,303,377.70, 19,960,315.35 and 5,214,976.90
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Solution
The fourth proportional to 13,303,377.70, 19,960,315.35 and 5,214,976.90 is: 7,824,522.90
Step by Step Solution
- Step 1: Write the proportion equation
13,303,377.70 : 19,960,315.35 = 5,214,976.90 : x - Step 2: Convert to fraction form
13,303,377.70/19,960,315.35 = 5,214,976.90/x - Step 3: Cross multiply
13,303,377.70x = 19,960,315.35 × 5,214,976.90 - Step 4: Simplify right side
13,303,377.70x = 104,092,583,466,965.44 - Step 5: Solve for x
x = 104,092,583,466,965.44/13,303,377.70 - Step 6: Final answer
x = 7,824,522.90
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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.