Finding the Fourth Proportional to 19,900,376.18, 29,851,851.35 and 6,254,092.31
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Solution
The fourth proportional to 19,900,376.18, 29,851,851.35 and 6,254,092.31 is: 9,381,542.95
Step by Step Solution
- Step 1: Write the proportion equation
19,900,376.18 : 29,851,851.35 = 6,254,092.31 : x - Step 2: Convert to fraction form
19,900,376.18/29,851,851.35 = 6,254,092.31/x - Step 3: Cross multiply
19,900,376.18x = 29,851,851.35 × 6,254,092.31 - Step 4: Simplify right side
19,900,376.18x = 186,696,233,786,768.38 - Step 5: Solve for x
x = 186,696,233,786,768.38/19,900,376.18 - Step 6: Final answer
x = 9,381,542.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.