Finding the Fourth Proportional to 10,553,020.12, 14,543,264.40 and 8,457,482.26
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Solution
The fourth proportional to 10,553,020.12, 14,543,264.40 and 8,457,482.26 is: 11,655,374.41
Step by Step Solution
- Step 1: Write the proportion equation
10,553,020.12 : 14,543,264.40 = 8,457,482.26 : x - Step 2: Convert to fraction form
10,553,020.12/14,543,264.40 = 8,457,482.26/x - Step 3: Cross multiply
10,553,020.12x = 14,543,264.40 × 8,457,482.26 - Step 4: Simplify right side
10,553,020.12x = 122,999,400,665,489.55 - Step 5: Solve for x
x = 122,999,400,665,489.55/10,553,020.12 - Step 6: Final answer
x = 11,655,374.41
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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.