Finding the Fourth Proportional to 19,853,340.68, 29,784,798.58 and 6,897,605.70
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Solution
The fourth proportional to 19,853,340.68, 29,784,798.58 and 6,897,605.70 is: 10,348,071.88
Step by Step Solution
- Step 1: Write the proportion equation
19,853,340.68 : 29,784,798.58 = 6,897,605.70 : x - Step 2: Convert to fraction form
19,853,340.68/29,784,798.58 = 6,897,605.70/x - Step 3: Cross multiply
19,853,340.68x = 29,784,798.58 × 6,897,605.70 - Step 4: Simplify right side
19,853,340.68x = 205,443,796,458,759.91 - Step 5: Solve for x
x = 205,443,796,458,759.91/19,853,340.68 - Step 6: Final answer
x = 10,348,071.88
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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.