Finding the Fourth Proportional to 34,193,366.66, 47,193,972.44 and 31,435,686.02
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Solution
The fourth proportional to 34,193,366.66, 47,193,972.44 and 31,435,686.02 is: 43,387,798.41
Step by Step Solution
- Step 1: Write the proportion equation
34,193,366.66 : 47,193,972.44 = 31,435,686.02 : x - Step 2: Convert to fraction form
34,193,366.66/47,193,972.44 = 31,435,686.02/x - Step 3: Cross multiply
34,193,366.66x = 47,193,972.44 × 31,435,686.02 - Step 4: Simplify right side
34,193,366.66x = 1,483,574,899,621,180 - Step 5: Solve for x
x = 1,483,574,899,621,180/34,193,366.66 - Step 6: Final answer
x = 43,387,798.41
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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.