Finding the Fourth Proportional to 6,472,417.13, 8,935,293.86 and 4,728,128.12
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Solution
The fourth proportional to 6,472,417.13, 8,935,293.86 and 4,728,128.12 is: 6,527,270.00
Step by Step Solution
- Step 1: Write the proportion equation
6,472,417.13 : 8,935,293.86 = 4,728,128.12 : x - Step 2: Convert to fraction form
6,472,417.13/8,935,293.86 = 4,728,128.12/x - Step 3: Cross multiply
6,472,417.13x = 8,935,293.86 × 4,728,128.12 - Step 4: Simplify right side
6,472,417.13x = 42,247,214,158,626.94 - Step 5: Solve for x
x = 42,247,214,158,626.94/6,472,417.13 - Step 6: Final answer
x = 6,527,270.00
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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.