Finding the Fourth Proportional to 10,683,710.38, 14,743,533.28 and 5,788,928.68
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Solution
The fourth proportional to 10,683,710.38, 14,743,533.28 and 5,788,928.68 is: 7,988,728.60
Step by Step Solution
- Step 1: Write the proportion equation
10,683,710.38 : 14,743,533.28 = 5,788,928.68 : x - Step 2: Convert to fraction form
10,683,710.38/14,743,533.28 = 5,788,928.68/x - Step 3: Cross multiply
10,683,710.38x = 14,743,533.28 × 5,788,928.68 - Step 4: Simplify right side
10,683,710.38x = 85,349,262,575,408.80 - Step 5: Solve for x
x = 85,349,262,575,408.80/10,683,710.38 - Step 6: Final answer
x = 7,988,728.60
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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.