Finding the Fourth Proportional to 19,280,830.65, 26,608,035.97 and 10,579,000.95
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Solution
The fourth proportional to 19,280,830.65, 26,608,035.97 and 10,579,000.95 is: 14,599,289.99
Step by Step Solution
- Step 1: Write the proportion equation
19,280,830.65 : 26,608,035.97 = 10,579,000.95 : x - Step 2: Convert to fraction form
19,280,830.65/26,608,035.97 = 10,579,000.95/x - Step 3: Cross multiply
19,280,830.65x = 26,608,035.97 × 10,579,000.95 - Step 4: Simplify right side
19,280,830.65x = 281,486,437,817,487.94 - Step 5: Solve for x
x = 281,486,437,817,487.94/19,280,830.65 - Step 6: Final answer
x = 14,599,289.99
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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.