Finding the Fourth Proportional to 9,986,551.56, 14,984,564.63 and 6,917,261.09
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Solution
The fourth proportional to 9,986,551.56, 14,984,564.63 and 6,917,261.09 is: 10,379,172.94
Step by Step Solution
- Step 1: Write the proportion equation
9,986,551.56 : 14,984,564.63 = 6,917,261.09 : x - Step 2: Convert to fraction form
9,986,551.56/14,984,564.63 = 6,917,261.09/x - Step 3: Cross multiply
9,986,551.56x = 14,984,564.63 × 6,917,261.09 - Step 4: Simplify right side
9,986,551.56x = 103,652,145,756,180.12 - Step 5: Solve for x
x = 103,652,145,756,180.12/9,986,551.56 - Step 6: Final answer
x = 10,379,172.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.