Finding the Fourth Proportional to 39,367,635.21, 54,330,417.93 and 21,730,039.98
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Solution
The fourth proportional to 39,367,635.21, 54,330,417.93 and 21,730,039.98 is: 29,989,156.00
Step by Step Solution
- Step 1: Write the proportion equation
39,367,635.21 : 54,330,417.93 = 21,730,039.98 : x - Step 2: Convert to fraction form
39,367,635.21/54,330,417.93 = 21,730,039.98/x - Step 3: Cross multiply
39,367,635.21x = 54,330,417.93 × 21,730,039.98 - Step 4: Simplify right side
39,367,635.21x = 1,180,602,153,749,008.75 - Step 5: Solve for x
x = 1,180,602,153,749,008.75/39,367,635.21 - Step 6: Final answer
x = 29,989,156.00
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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.