Finding the Fourth Proportional to 8,730,320.40, 13,097,069.51 and 2,972,759.81
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Solution
The fourth proportional to 8,730,320.40, 13,097,069.51 and 2,972,759.81 is: 4,459,680.75
Step by Step Solution
- Step 1: Write the proportion equation
8,730,320.40 : 13,097,069.51 = 2,972,759.81 : x - Step 2: Convert to fraction form
8,730,320.40/13,097,069.51 = 2,972,759.81/x - Step 3: Cross multiply
8,730,320.40x = 13,097,069.51 × 2,972,759.81 - Step 4: Simplify right side
8,730,320.40x = 38,934,441,787,755.25 - Step 5: Solve for x
x = 38,934,441,787,755.25/8,730,320.40 - Step 6: Final answer
x = 4,459,680.75
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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.