Finding the Fourth Proportional to 9,179,807.80, 12,668,064.68 and 5,049,750
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Solution
The fourth proportional to 9,179,807.80, 12,668,064.68 and 5,049,750 is: 6,968,616.45
Step by Step Solution
- Step 1: Write the proportion equation
9,179,807.80 : 12,668,064.68 = 5,049,750 : x - Step 2: Convert to fraction form
9,179,807.80/12,668,064.68 = 5,049,750/x - Step 3: Cross multiply
9,179,807.80x = 12,668,064.68 × 5,049,750 - Step 4: Simplify right side
9,179,807.80x = 63,970,559,617,830 - Step 5: Solve for x
x = 63,970,559,617,830/9,179,807.80 - Step 6: Final answer
x = 6,968,616.45
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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.