Finding the Fourth Proportional to 41,220,458.17, 61,832,675.73 and 13,553,763.11
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Solution
The fourth proportional to 41,220,458.17, 61,832,675.73 and 13,553,763.11 is: 20,331,298.50
Step by Step Solution
- Step 1: Write the proportion equation
41,220,458.17 : 61,832,675.73 = 13,553,763.11 : x - Step 2: Convert to fraction form
41,220,458.17/61,832,675.73 = 13,553,763.11/x - Step 3: Cross multiply
41,220,458.17x = 61,832,675.73 × 13,553,763.11 - Step 4: Simplify right side
41,220,458.17x = 838,065,439,301,866.25 - Step 5: Solve for x
x = 838,065,439,301,866.25/41,220,458.17 - Step 6: Final answer
x = 20,331,298.50
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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.