Finding the Fourth Proportional to 7,048,135.35, 9,725,646.72 and 3,908,320.02
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Solution
The fourth proportional to 7,048,135.35, 9,725,646.72 and 3,908,320.02 is: 5,393,049.07
Step by Step Solution
- Step 1: Write the proportion equation
7,048,135.35 : 9,725,646.72 = 3,908,320.02 : x - Step 2: Convert to fraction form
7,048,135.35/9,725,646.72 = 3,908,320.02/x - Step 3: Cross multiply
7,048,135.35x = 9,725,646.72 × 3,908,320.02 - Step 4: Simplify right side
7,048,135.35x = 38,010,939,783,223.34 - Step 5: Solve for x
x = 38,010,939,783,223.34/7,048,135.35 - Step 6: Final answer
x = 5,393,049.07
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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.