Finding the Fourth Proportional to 48,871,573.16, 67,438,837.86 and 28,246,355.24
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Solution
The fourth proportional to 48,871,573.16, 67,438,837.86 and 28,246,355.24 is: 38,977,697.01
Step by Step Solution
- Step 1: Write the proportion equation
48,871,573.16 : 67,438,837.86 = 28,246,355.24 : x - Step 2: Convert to fraction form
48,871,573.16/67,438,837.86 = 28,246,355.24/x - Step 3: Cross multiply
48,871,573.16x = 67,438,837.86 × 28,246,355.24 - Step 4: Simplify right side
48,871,573.16x = 1,904,901,371,166,321.25 - Step 5: Solve for x
x = 1,904,901,371,166,321.25/48,871,573.16 - Step 6: Final answer
x = 38,977,697.01
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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.