Finding the Fourth Proportional to 10,865,421.48, 14,994,400.99 and 5,970,644.84
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Solution
The fourth proportional to 10,865,421.48, 14,994,400.99 and 5,970,644.84 is: 8,239,555.46
Step by Step Solution
- Step 1: Write the proportion equation
10,865,421.48 : 14,994,400.99 = 5,970,644.84 : x - Step 2: Convert to fraction form
10,865,421.48/14,994,400.99 = 5,970,644.84/x - Step 3: Cross multiply
10,865,421.48x = 14,994,400.99 × 5,970,644.84 - Step 4: Simplify right side
10,865,421.48x = 89,526,242,874,621.56 - Step 5: Solve for x
x = 89,526,242,874,621.56/10,865,421.48 - Step 6: Final answer
x = 8,239,555.46
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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.