Finding the Fourth Proportional to 7,137,312.58, 9,849,498.99 and 3,874,126.79
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Solution
The fourth proportional to 7,137,312.58, 9,849,498.99 and 3,874,126.79 is: 5,346,299.11
Step by Step Solution
- Step 1: Write the proportion equation
7,137,312.58 : 9,849,498.99 = 3,874,126.79 : x - Step 2: Convert to fraction form
7,137,312.58/9,849,498.99 = 3,874,126.79/x - Step 3: Cross multiply
7,137,312.58x = 9,849,498.99 × 3,874,126.79 - Step 4: Simplify right side
7,137,312.58x = 38,158,207,905,236.95 - Step 5: Solve for x
x = 38,158,207,905,236.95/7,137,312.58 - Step 6: Final answer
x = 5,346,299.11
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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.