Finding the Fourth Proportional to 8,323,746.24, 12,486,619.85 and 2,931,282.21
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Solution
The fourth proportional to 8,323,746.24, 12,486,619.85 and 2,931,282.21 is: 4,397,275.64
Step by Step Solution
- Step 1: Write the proportion equation
8,323,746.24 : 12,486,619.85 = 2,931,282.21 : x - Step 2: Convert to fraction form
8,323,746.24/12,486,619.85 = 2,931,282.21/x - Step 3: Cross multiply
8,323,746.24x = 12,486,619.85 × 2,931,282.21 - Step 4: Simplify right side
8,323,746.24x = 36,601,806,614,681.46 - Step 5: Solve for x
x = 36,601,806,614,681.46/8,323,746.24 - Step 6: Final answer
x = 4,397,275.64
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1.5x scale
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.