Finding the Fourth Proportional to 35,708,943.02, 49,190,875.36 and 25,890,537.74
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Solution
The fourth proportional to 35,708,943.02, 49,190,875.36 and 25,890,537.74 is: 35,665,525.42
Step by Step Solution
- Step 1: Write the proportion equation
35,708,943.02 : 49,190,875.36 = 25,890,537.74 : x - Step 2: Convert to fraction form
35,708,943.02/49,190,875.36 = 25,890,537.74/x - Step 3: Cross multiply
35,708,943.02x = 49,190,875.36 × 25,890,537.74 - Step 4: Simplify right side
35,708,943.02x = 1,273,578,214,661,035.50 - Step 5: Solve for x
x = 1,273,578,214,661,035.50/35,708,943.02 - Step 6: Final answer
x = 35,665,525.42
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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.