Finding the Fourth Proportional to 9,736,798.43, 13,366,419.78 and 8,357,747.99
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Solution
The fourth proportional to 9,736,798.43, 13,366,419.78 and 8,357,747.99 is: 11,473,295.75
Step by Step Solution
- Step 1: Write the proportion equation
9,736,798.43 : 13,366,419.78 = 8,357,747.99 : x - Step 2: Convert to fraction form
9,736,798.43/13,366,419.78 = 8,357,747.99/x - Step 3: Cross multiply
9,736,798.43x = 13,366,419.78 × 8,357,747.99 - Step 4: Simplify right side
9,736,798.43x = 111,713,168,001,741.66 - Step 5: Solve for x
x = 111,713,168,001,741.66/9,736,798.43 - Step 6: Final answer
x = 11,473,295.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.