Finding the Fourth Proportional to 7,152,501.57, 9,896,444.09 and 6,236,639.20
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Solution
The fourth proportional to 7,152,501.57, 9,896,444.09 and 6,236,639.20 is: 8,629,225.81
Step by Step Solution
- Step 1: Write the proportion equation
7,152,501.57 : 9,896,444.09 = 6,236,639.20 : x - Step 2: Convert to fraction form
7,152,501.57/9,896,444.09 = 6,236,639.20/x - Step 3: Cross multiply
7,152,501.57x = 9,896,444.09 × 6,236,639.20 - Step 4: Simplify right side
7,152,501.57x = 61,720,551,152,302.33 - Step 5: Solve for x
x = 61,720,551,152,302.33/7,152,501.57 - Step 6: Final answer
x = 8,629,225.81
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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.