Finding the Fourth Proportional to 18,176,927.84, 25,083,283.55 and 9,916,497.62
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Solution
The fourth proportional to 18,176,927.84, 25,083,283.55 and 9,916,497.62 is: 13,684,288.34
Step by Step Solution
- Step 1: Write the proportion equation
18,176,927.84 : 25,083,283.55 = 9,916,497.62 : x - Step 2: Convert to fraction form
18,176,927.84/25,083,283.55 = 9,916,497.62/x - Step 3: Cross multiply
18,176,927.84x = 25,083,283.55 × 9,916,497.62 - Step 4: Simplify right side
18,176,927.84x = 248,738,321,625,360.12 - Step 5: Solve for x
x = 248,738,321,625,360.12/18,176,927.84 - Step 6: Final answer
x = 13,684,288.34
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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.