Finding the Fourth Proportional to 7,171,349.63, 9,896,462.69 and 3,952,085.63
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Solution
The fourth proportional to 7,171,349.63, 9,896,462.69 and 3,952,085.63 is: 5,453,878.27
Step by Step Solution
- Step 1: Write the proportion equation
7,171,349.63 : 9,896,462.69 = 3,952,085.63 : x - Step 2: Convert to fraction form
7,171,349.63/9,896,462.69 = 3,952,085.63/x - Step 3: Cross multiply
7,171,349.63x = 9,896,462.69 × 3,952,085.63 - Step 4: Simplify right side
7,171,349.63x = 39,111,667,915,737.41 - Step 5: Solve for x
x = 39,111,667,915,737.41/7,171,349.63 - Step 6: Final answer
x = 5,453,878.27
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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.