Finding the Fourth Proportional to 11,382,989.18, 15,708,572.07 and 6,155,997.23
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Solution
The fourth proportional to 11,382,989.18, 15,708,572.07 and 6,155,997.23 is: 8,495,301.60
Step by Step Solution
- Step 1: Write the proportion equation
11,382,989.18 : 15,708,572.07 = 6,155,997.23 : x - Step 2: Convert to fraction form
11,382,989.18/15,708,572.07 = 6,155,997.23/x - Step 3: Cross multiply
11,382,989.18x = 15,708,572.07 × 6,155,997.23 - Step 4: Simplify right side
11,382,989.18x = 96,701,926,150,175.38 - Step 5: Solve for x
x = 96,701,926,150,175.38/11,382,989.18 - Step 6: Final answer
x = 8,495,301.60
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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.