Finding the Fourth Proportional to 7,547,626.08, 11,371,853.43 and 6,828,889.14
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Solution
The fourth proportional to 7,547,626.08, 11,371,853.43 and 6,828,889.14 is: 10,288,947.22
Step by Step Solution
- Step 1: Write the proportion equation
7,547,626.08 : 11,371,853.43 = 6,828,889.14 : x - Step 2: Convert to fraction form
7,547,626.08/11,371,853.43 = 6,828,889.14/x - Step 3: Cross multiply
7,547,626.08x = 11,371,853.43 × 6,828,889.14 - Step 4: Simplify right side
7,547,626.08x = 77,657,126,389,798.75 - Step 5: Solve for x
x = 77,657,126,389,798.75/7,547,626.08 - Step 6: Final answer
x = 10,288,947.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.