Finding the Fourth Proportional to 41,246,569.80, 61,869,854.70 and 18,571,753.80
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Solution
The fourth proportional to 41,246,569.80, 61,869,854.70 and 18,571,753.80 is: 27,857,630.70
Step by Step Solution
- Step 1: Write the proportion equation
41,246,569.80 : 61,869,854.70 = 18,571,753.80 : x - Step 2: Convert to fraction form
41,246,569.80/61,869,854.70 = 18,571,753.80/x - Step 3: Cross multiply
41,246,569.80x = 61,869,854.70 × 18,571,753.80 - Step 4: Simplify right side
41,246,569.80x = 1,149,031,709,130,173 - Step 5: Solve for x
x = 1,149,031,709,130,173/41,246,569.80 - Step 6: Final answer
x = 27,857,630.70
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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.