Finding the Fourth Proportional to 9,998,844.66, 13,798,423.08 and 5,415,166.08
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Solution
The fourth proportional to 9,998,844.66, 13,798,423.08 and 5,415,166.08 is: 7,472,938.64
Step by Step Solution
- Step 1: Write the proportion equation
9,998,844.66 : 13,798,423.08 = 5,415,166.08 : x - Step 2: Convert to fraction form
9,998,844.66/13,798,423.08 = 5,415,166.08/x - Step 3: Cross multiply
9,998,844.66x = 13,798,423.08 × 5,415,166.08 - Step 4: Simplify right side
9,998,844.66x = 74,720,752,620,305.12 - Step 5: Solve for x
x = 74,720,752,620,305.12/9,998,844.66 - Step 6: Final answer
x = 7,472,938.64
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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.