Finding the Fourth Proportional to 7,966,439.88, 10,993,636.80 and 4,528,681.08
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Solution
The fourth proportional to 7,966,439.88, 10,993,636.80 and 4,528,681.08 is: 6,249,551.33
Step by Step Solution
- Step 1: Write the proportion equation
7,966,439.88 : 10,993,636.80 = 4,528,681.08 : x - Step 2: Convert to fraction form
7,966,439.88/10,993,636.80 = 4,528,681.08/x - Step 3: Cross multiply
7,966,439.88x = 10,993,636.80 × 4,528,681.08 - Step 4: Simplify right side
7,966,439.88x = 49,786,674,976,551.75 - Step 5: Solve for x
x = 49,786,674,976,551.75/7,966,439.88 - Step 6: Final answer
x = 6,249,551.33
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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.