Finding the Fourth Proportional to 7,523,312.99, 10,382,428.74 and 4,215,746.84
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Solution
The fourth proportional to 7,523,312.99, 10,382,428.74 and 4,215,746.84 is: 5,817,874.54
Step by Step Solution
- Step 1: Write the proportion equation
7,523,312.99 : 10,382,428.74 = 4,215,746.84 : x - Step 2: Convert to fraction form
7,523,312.99/10,382,428.74 = 4,215,746.84/x - Step 3: Cross multiply
7,523,312.99x = 10,382,428.74 × 4,215,746.84 - Step 4: Simplify right side
7,523,312.99x = 43,769,691,100,268.04 - Step 5: Solve for x
x = 43,769,691,100,268.04/7,523,312.99 - Step 6: Final answer
x = 5,817,874.54
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1.5x scale
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.