Finding the Fourth Proportional to 11,506,480.17, 15,879,324.03 and 6,279,774.54
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Solution
The fourth proportional to 11,506,480.17, 15,879,324.03 and 6,279,774.54 is: 8,666,297.02
Step by Step Solution
- Step 1: Write the proportion equation
11,506,480.17 : 15,879,324.03 = 6,279,774.54 : x - Step 2: Convert to fraction form
11,506,480.17/15,879,324.03 = 6,279,774.54/x - Step 3: Cross multiply
11,506,480.17x = 15,879,324.03 × 6,279,774.54 - Step 4: Simplify right side
11,506,480.17x = 99,718,574,756,004.19 - Step 5: Solve for x
x = 99,718,574,756,004.19/11,506,480.17 - Step 6: Final answer
x = 8,666,297.02
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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.