Finding the Fourth Proportional to 10,747,153.08, 14,805,844.62 and 7,478,346.36
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Solution
The fourth proportional to 10,747,153.08, 14,805,844.62 and 7,478,346.36 is: 10,302,564.17
Step by Step Solution
- Step 1: Write the proportion equation
10,747,153.08 : 14,805,844.62 = 7,478,346.36 : x - Step 2: Convert to fraction form
10,747,153.08/14,805,844.62 = 7,478,346.36/x - Step 3: Cross multiply
10,747,153.08x = 14,805,844.62 × 7,478,346.36 - Step 4: Simplify right side
10,747,153.08x = 110,723,234,220,702.58 - Step 5: Solve for x
x = 110,723,234,220,702.58/10,747,153.08 - Step 6: Final answer
x = 10,302,564.17
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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.