Finding the Fourth Proportional to 7,223,107.71, 10,838,386.58 and 3,385,320.02
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Solution
The fourth proportional to 7,223,107.71, 10,838,386.58 and 3,385,320.02 is: 5,079,725.86
Step by Step Solution
- Step 1: Write the proportion equation
7,223,107.71 : 10,838,386.58 = 3,385,320.02 : x - Step 2: Convert to fraction form
7,223,107.71/10,838,386.58 = 3,385,320.02/x - Step 3: Cross multiply
7,223,107.71x = 10,838,386.58 × 3,385,320.02 - Step 4: Simplify right side
7,223,107.71x = 36,691,407,028,044.70 - Step 5: Solve for x
x = 36,691,407,028,044.70/7,223,107.71 - Step 6: Final answer
x = 5,079,725.86
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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.