Finding the Fourth Proportional to 11,312,643.24, 16,970,653.26 and 5,247,988.02
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Solution
The fourth proportional to 11,312,643.24, 16,970,653.26 and 5,247,988.02 is: 7,872,765.29
Step by Step Solution
- Step 1: Write the proportion equation
11,312,643.24 : 16,970,653.26 = 5,247,988.02 : x - Step 2: Convert to fraction form
11,312,643.24/16,970,653.26 = 5,247,988.02/x - Step 3: Cross multiply
11,312,643.24x = 16,970,653.26 × 5,247,988.02 - Step 4: Simplify right side
11,312,643.24x = 89,061,785,000,053.95 - Step 5: Solve for x
x = 89,061,785,000,053.95/11,312,643.24 - Step 6: Final answer
x = 7,872,765.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.