Finding the Fourth Proportional to 26,421,528.24, 39,631,941.36 and 7,252,288.56
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Solution
The fourth proportional to 26,421,528.24, 39,631,941.36 and 7,252,288.56 is: 10,878,336.50
Step by Step Solution
- Step 1: Write the proportion equation
26,421,528.24 : 39,631,941.36 = 7,252,288.56 : x - Step 2: Convert to fraction form
26,421,528.24/39,631,941.36 = 7,252,288.56/x - Step 3: Cross multiply
26,421,528.24x = 39,631,941.36 × 7,252,288.56 - Step 4: Simplify right side
26,421,528.24x = 287,422,274,935,718.81 - Step 5: Solve for x
x = 287,422,274,935,718.81/26,421,528.24 - Step 6: Final answer
x = 10,878,336.50
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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.