Finding the Fourth Proportional to 7,528,303.68, 10,389,122.28 and 4,090,544.61
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Solution
The fourth proportional to 7,528,303.68, 10,389,122.28 and 4,090,544.61 is: 5,644,985.90
Step by Step Solution
- Step 1: Write the proportion equation
7,528,303.68 : 10,389,122.28 = 4,090,544.61 : x - Step 2: Convert to fraction form
7,528,303.68/10,389,122.28 = 4,090,544.61/x - Step 3: Cross multiply
7,528,303.68x = 10,389,122.28 × 4,090,544.61 - Step 4: Simplify right side
7,528,303.68x = 42,497,168,145,084.91 - Step 5: Solve for x
x = 42,497,168,145,084.91/7,528,303.68 - Step 6: Final answer
x = 5,644,985.90
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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.