Finding the Fourth Proportional to 7,684,448.64, 11,528,663.88 and 4,087,254.72
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Solution
The fourth proportional to 7,684,448.64, 11,528,663.88 and 4,087,254.72 is: 6,131,941.02
Step by Step Solution
- Step 1: Write the proportion equation
7,684,448.64 : 11,528,663.88 = 4,087,254.72 : x - Step 2: Convert to fraction form
7,684,448.64/11,528,663.88 = 4,087,254.72/x - Step 3: Cross multiply
7,684,448.64x = 11,528,663.88 × 4,087,254.72 - Step 4: Simplify right side
7,684,448.64x = 47,120,585,858,823.52 - Step 5: Solve for x
x = 47,120,585,858,823.52/7,684,448.64 - Step 6: Final answer
x = 6,131,941.02
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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.