Finding the Fourth Proportional to 15,464,874.18, 21,340,936.17 and 8,589,797.22
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Solution
The fourth proportional to 15,464,874.18, 21,340,936.17 and 8,589,797.22 is: 11,853,592.34
Step by Step Solution
- Step 1: Write the proportion equation
15,464,874.18 : 21,340,936.17 = 8,589,797.22 : x - Step 2: Convert to fraction form
15,464,874.18/21,340,936.17 = 8,589,797.22/x - Step 3: Cross multiply
15,464,874.18x = 21,340,936.17 × 8,589,797.22 - Step 4: Simplify right side
15,464,874.18x = 183,314,314,185,263.47 - Step 5: Solve for x
x = 183,314,314,185,263.47/15,464,874.18 - Step 6: Final answer
x = 11,853,592.34
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1.5x scale
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.