Finding the Fourth Proportional to 15,758,259.07, 21,746,730.26 and 8,882,739.31
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Solution
The fourth proportional to 15,758,259.07, 21,746,730.26 and 8,882,739.31 is: 12,258,367.81
Step by Step Solution
- Step 1: Write the proportion equation
15,758,259.07 : 21,746,730.26 = 8,882,739.31 : x - Step 2: Convert to fraction form
15,758,259.07/21,746,730.26 = 8,882,739.31/x - Step 3: Cross multiply
15,758,259.07x = 21,746,730.26 × 8,882,739.31 - Step 4: Simplify right side
15,758,259.07x = 193,170,535,744,468.53 - Step 5: Solve for x
x = 193,170,535,744,468.53/15,758,259.07 - Step 6: Final answer
x = 12,258,367.81
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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.