Finding the Fourth Proportional to 10,352,054.80, 15,528,082.20 and 6,899,349.06
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Solution
The fourth proportional to 10,352,054.80, 15,528,082.20 and 6,899,349.06 is: 10,349,023.59
Step by Step Solution
- Step 1: Write the proportion equation
10,352,054.80 : 15,528,082.20 = 6,899,349.06 : x - Step 2: Convert to fraction form
10,352,054.80/15,528,082.20 = 6,899,349.06/x - Step 3: Cross multiply
10,352,054.80x = 15,528,082.20 × 6,899,349.06 - Step 4: Simplify right side
10,352,054.80x = 107,133,659,330,172.72 - Step 5: Solve for x
x = 107,133,659,330,172.72/10,352,054.80 - Step 6: Final answer
x = 10,349,023.59
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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.