Finding the Fourth Proportional to 10,348,439.12, 15,526,113.48 and 4,590,378.41
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Solution
The fourth proportional to 10,348,439.12, 15,526,113.48 and 4,590,378.41 is: 6,887,100.09
Step by Step Solution
- Step 1: Write the proportion equation
10,348,439.12 : 15,526,113.48 = 4,590,378.41 : x - Step 2: Convert to fraction form
10,348,439.12/15,526,113.48 = 4,590,378.41/x - Step 3: Cross multiply
10,348,439.12x = 15,526,113.48 × 4,590,378.41 - Step 4: Simplify right side
10,348,439.12x = 71,270,736,032,171.41 - Step 5: Solve for x
x = 71,270,736,032,171.41/10,348,439.12 - Step 6: Final answer
x = 6,887,100.09
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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.