Finding the Fourth Proportional to 39,117,425.42, 58,652,222.88 and 18,653,403.98
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Solution
The fourth proportional to 39,117,425.42, 58,652,222.88 and 18,653,403.98 is: 27,968,701.82
Step by Step Solution
- Step 1: Write the proportion equation
39,117,425.42 : 58,652,222.88 = 18,653,403.98 : x - Step 2: Convert to fraction form
39,117,425.42/58,652,222.88 = 18,653,403.98/x - Step 3: Cross multiply
39,117,425.42x = 58,652,222.88 × 18,653,403.98 - Step 4: Simplify right side
39,117,425.42x = 1,094,063,607,705,639.12 - Step 5: Solve for x
x = 1,094,063,607,705,639.12/39,117,425.42 - Step 6: Final answer
x = 27,968,701.82
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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.