Finding the Fourth Proportional to 7,708,858.25, 10,638,216.07 and 4,224,281.99
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Solution
The fourth proportional to 7,708,858.25, 10,638,216.07 and 4,224,281.99 is: 5,829,504.59
Step by Step Solution
- Step 1: Write the proportion equation
7,708,858.25 : 10,638,216.07 = 4,224,281.99 : x - Step 2: Convert to fraction form
7,708,858.25/10,638,216.07 = 4,224,281.99/x - Step 3: Cross multiply
7,708,858.25x = 10,638,216.07 × 4,224,281.99 - Step 4: Simplify right side
7,708,858.25x = 44,938,824,486,477.80 - Step 5: Solve for x
x = 44,938,824,486,477.80/7,708,858.25 - Step 6: Final answer
x = 5,829,504.59
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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.