Finding the Fourth Proportional to 21,031,838.13, 29,024,024.10 and 11,374,046.13
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Solution
The fourth proportional to 21,031,838.13, 29,024,024.10 and 11,374,046.13 is: 15,696,230.97
Step by Step Solution
- Step 1: Write the proportion equation
21,031,838.13 : 29,024,024.10 = 11,374,046.13 : x - Step 2: Convert to fraction form
21,031,838.13/29,024,024.10 = 11,374,046.13/x - Step 3: Cross multiply
21,031,838.13x = 29,024,024.10 × 11,374,046.13 - Step 4: Simplify right side
21,031,838.13x = 330,120,588,991,631.75 - Step 5: Solve for x
x = 330,120,588,991,631.75/21,031,838.13 - Step 6: Final answer
x = 15,696,230.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.