Finding the Fourth Proportional to 7,668,312.09, 10,581,901.35 and 4,183,443.42
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Solution
The fourth proportional to 7,668,312.09, 10,581,901.35 and 4,183,443.42 is: 5,772,950.43
Step by Step Solution
- Step 1: Write the proportion equation
7,668,312.09 : 10,581,901.35 = 4,183,443.42 : x - Step 2: Convert to fraction form
7,668,312.09/10,581,901.35 = 4,183,443.42/x - Step 3: Cross multiply
7,668,312.09x = 10,581,901.35 × 4,183,443.42 - Step 4: Simplify right side
7,668,312.09x = 44,268,785,573,746.62 - Step 5: Solve for x
x = 44,268,785,573,746.62/7,668,312.09 - Step 6: Final answer
x = 5,772,950.43
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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.