Finding the Fourth Proportional to 11,155,052.25, 15,393,972.35 and 6,326,156.25
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Solution
The fourth proportional to 11,155,052.25, 15,393,972.35 and 6,326,156.25 is: 8,730,095.76
Step by Step Solution
- Step 1: Write the proportion equation
11,155,052.25 : 15,393,972.35 = 6,326,156.25 : x - Step 2: Convert to fraction form
11,155,052.25/15,393,972.35 = 6,326,156.25/x - Step 3: Cross multiply
11,155,052.25x = 15,393,972.35 × 6,326,156.25 - Step 4: Simplify right side
11,155,052.25x = 97,384,674,362,648.91 - Step 5: Solve for x
x = 97,384,674,362,648.91/11,155,052.25 - Step 6: Final answer
x = 8,730,095.76
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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.