Finding the Fourth Proportional to 45,748,866.20, 68,625,506.34 and 15,042,765.74
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Solution
The fourth proportional to 45,748,866.20, 68,625,506.34 and 15,042,765.74 is: 22,564,874.31
Step by Step Solution
- Step 1: Write the proportion equation
45,748,866.20 : 68,625,506.34 = 15,042,765.74 : x - Step 2: Convert to fraction form
45,748,866.20/68,625,506.34 = 15,042,765.74/x - Step 3: Cross multiply
45,748,866.20x = 68,625,506.34 × 15,042,765.74 - Step 4: Simplify right side
45,748,866.20x = 1,032,317,415,318,377.25 - Step 5: Solve for x
x = 1,032,317,415,318,377.25/45,748,866.20 - Step 6: Final answer
x = 22,564,874.31
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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.