Finding the Fourth Proportional to 7,547,119.11, 11,299,419.81 and 6,781,844.07
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Solution
The fourth proportional to 7,547,119.11, 11,299,419.81 and 6,781,844.07 is: 10,153,662.89
Step by Step Solution
- Step 1: Write the proportion equation
7,547,119.11 : 11,299,419.81 = 6,781,844.07 : x - Step 2: Convert to fraction form
7,547,119.11/11,299,419.81 = 6,781,844.07/x - Step 3: Cross multiply
7,547,119.11x = 11,299,419.81 × 6,781,844.07 - Step 4: Simplify right side
7,547,119.11x = 76,630,903,232,889.03 - Step 5: Solve for x
x = 76,630,903,232,889.03/7,547,119.11 - Step 6: Final answer
x = 10,153,662.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.