Finding the Fourth Proportional to 7,528,705.52, 10,389,679.44 and 4,090,946.54
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Solution
The fourth proportional to 7,528,705.52, 10,389,679.44 and 4,090,946.54 is: 5,645,541.99
Step by Step Solution
- Step 1: Write the proportion equation
7,528,705.52 : 10,389,679.44 = 4,090,946.54 : x - Step 2: Convert to fraction form
7,528,705.52/10,389,679.44 = 4,090,946.54/x - Step 3: Cross multiply
7,528,705.52x = 10,389,679.44 × 4,090,946.54 - Step 4: Simplify right side
7,528,705.52x = 42,503,623,156,777.13 - Step 5: Solve for x
x = 42,503,623,156,777.13/7,528,705.52 - Step 6: Final answer
x = 5,645,541.99
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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.