Finding the Fourth Proportional to 7,932,426.91, 11,899,699.58 and 3,138,995.17
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Solution
The fourth proportional to 7,932,426.91, 11,899,699.58 and 3,138,995.17 is: 4,708,911.90
Step by Step Solution
- Step 1: Write the proportion equation
7,932,426.91 : 11,899,699.58 = 3,138,995.17 : x - Step 2: Convert to fraction form
7,932,426.91/11,899,699.58 = 3,138,995.17/x - Step 3: Cross multiply
7,932,426.91x = 11,899,699.58 × 3,138,995.17 - Step 4: Simplify right side
7,932,426.91x = 37,353,099,506,071.03 - Step 5: Solve for x
x = 37,353,099,506,071.03/7,932,426.91 - Step 6: Final answer
x = 4,708,911.90
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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.