Finding the Fourth Proportional to 7,533,547.81, 10,398,508.51 and 4,920,451.38
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Solution
The fourth proportional to 7,533,547.81, 10,398,508.51 and 4,920,451.38 is: 6,791,667.99
Step by Step Solution
- Step 1: Write the proportion equation
7,533,547.81 : 10,398,508.51 = 4,920,451.38 : x - Step 2: Convert to fraction form
7,533,547.81/10,398,508.51 = 4,920,451.38/x - Step 3: Cross multiply
7,533,547.81x = 10,398,508.51 × 4,920,451.38 - Step 4: Simplify right side
7,533,547.81x = 51,165,355,547,971.24 - Step 5: Solve for x
x = 51,165,355,547,971.24/7,533,547.81 - Step 6: Final answer
x = 6,791,667.99
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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.