Finding the Fourth Proportional to 9,979,624.06, 13,759,397.23 and 8,328,154.75
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Solution
The fourth proportional to 9,979,624.06, 13,759,397.23 and 8,328,154.75 is: 11,482,435.48
Step by Step Solution
- Step 1: Write the proportion equation
9,979,624.06 : 13,759,397.23 = 8,328,154.75 : x - Step 2: Convert to fraction form
9,979,624.06/13,759,397.23 = 8,328,154.75/x - Step 3: Cross multiply
9,979,624.06x = 13,759,397.23 × 8,328,154.75 - Step 4: Simplify right side
9,979,624.06x = 114,590,389,287,723.58 - Step 5: Solve for x
x = 114,590,389,287,723.58/9,979,624.06 - Step 6: Final answer
x = 11,482,435.48
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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.