Finding the Fourth Proportional to 11,506,465.06, 15,879,258.43 and 6,279,808.46
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Solution
The fourth proportional to 11,506,465.06, 15,879,258.43 and 6,279,808.46 is: 8,666,319.39
Step by Step Solution
- Step 1: Write the proportion equation
11,506,465.06 : 15,879,258.43 = 6,279,808.46 : x - Step 2: Convert to fraction form
11,506,465.06/15,879,258.43 = 6,279,808.46/x - Step 3: Cross multiply
11,506,465.06x = 15,879,258.43 × 6,279,808.46 - Step 4: Simplify right side
11,506,465.06x = 99,718,701,316,444.98 - Step 5: Solve for x
x = 99,718,701,316,444.98/11,506,465.06 - Step 6: Final answer
x = 8,666,319.39
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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.