Finding the Fourth Proportional to 10,325,528.96, 14,249,258.36 and 5,679,789.95
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Solution
The fourth proportional to 10,325,528.96, 14,249,258.36 and 5,679,789.95 is: 7,838,125.74
Step by Step Solution
- Step 1: Write the proportion equation
10,325,528.96 : 14,249,258.36 = 5,679,789.95 : x - Step 2: Convert to fraction form
10,325,528.96/14,249,258.36 = 5,679,789.95/x - Step 3: Cross multiply
10,325,528.96x = 14,249,258.36 × 5,679,789.95 - Step 4: Simplify right side
10,325,528.96x = 80,932,794,328,436.25 - Step 5: Solve for x
x = 80,932,794,328,436.25/10,325,528.96 - Step 6: Final answer
x = 7,838,125.74
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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.