Finding the Fourth Proportional to 9,154,106.84, 13,731,160.15 and 7,133,862.17
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Solution
The fourth proportional to 9,154,106.84, 13,731,160.15 and 7,133,862.17 is: 10,700,793.17
Step by Step Solution
- Step 1: Write the proportion equation
9,154,106.84 : 13,731,160.15 = 7,133,862.17 : x - Step 2: Convert to fraction form
9,154,106.84/13,731,160.15 = 7,133,862.17/x - Step 3: Cross multiply
9,154,106.84x = 13,731,160.15 × 7,133,862.17 - Step 4: Simplify right side
9,154,106.84x = 97,956,203,947,413.80 - Step 5: Solve for x
x = 97,956,203,947,413.80/9,154,106.84 - Step 6: Final answer
x = 10,700,793.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.