Finding the Fourth Proportional to 11,015,641,476.18, 15,201,636,716.70 and 6,258,178,405.80
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Solution
The fourth proportional to 11,015,641,476.18, 15,201,636,716.70 and 6,258,178,405.80 is: 8,636,315,446.45
Step by Step Solution
- Step 1: Write the proportion equation
11,015,641,476.18 : 15,201,636,716.70 = 6,258,178,405.80 : x - Step 2: Convert to fraction form
11,015,641,476.18/15,201,636,716.70 = 6,258,178,405.80/x - Step 3: Cross multiply
11,015,641,476.18x = 15,201,636,716.70 × 6,258,178,405.80 - Step 4: Simplify right side
11,015,641,476.18x = 95,134,554,633,268,363,264 - Step 5: Solve for x
x = 95,134,554,633,268,363,264/11,015,641,476.18 - Step 6: Final answer
x = 8,636,315,446.45
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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.