Finding the Fourth Proportional to 15,328,015.92, 22,965,996.45 and 9,249,975.99
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Solution
The fourth proportional to 15,328,015.92, 22,965,996.45 and 9,249,975.99 is: 13,859,257.25
Step by Step Solution
- Step 1: Write the proportion equation
15,328,015.92 : 22,965,996.45 = 9,249,975.99 : x - Step 2: Convert to fraction form
15,328,015.92/22,965,996.45 = 9,249,975.99/x - Step 3: Cross multiply
15,328,015.92x = 22,965,996.45 × 9,249,975.99 - Step 4: Simplify right side
15,328,015.92x = 212,434,915,748,925.22 - Step 5: Solve for x
x = 212,434,915,748,925.22/15,328,015.92 - Step 6: Final answer
x = 13,859,257.25
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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.