Finding the Fourth Proportional to 39,472,781.84, 54,474,518.76 and 24,000,304.40
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Solution
The fourth proportional to 39,472,781.84, 54,474,518.76 and 24,000,304.40 is: 33,121,684.65
Step by Step Solution
- Step 1: Write the proportion equation
39,472,781.84 : 54,474,518.76 = 24,000,304.40 : x - Step 2: Convert to fraction form
39,472,781.84/54,474,518.76 = 24,000,304.40/x - Step 3: Cross multiply
39,472,781.84x = 54,474,518.76 × 24,000,304.40 - Step 4: Simplify right side
39,472,781.84x = 1,307,405,032,283,510.50 - Step 5: Solve for x
x = 1,307,405,032,283,510.50/39,472,781.84 - Step 6: Final answer
x = 33,121,684.65
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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.