Finding the Fourth Proportional to 26,344,090.20, 39,491,252.10 and 15,569,664.60
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Solution
The fourth proportional to 26,344,090.20, 39,491,252.10 and 15,569,664.60 is: 23,339,790.64
Step by Step Solution
- Step 1: Write the proportion equation
26,344,090.20 : 39,491,252.10 = 15,569,664.60 : x - Step 2: Convert to fraction form
26,344,090.20/39,491,252.10 = 15,569,664.60/x - Step 3: Cross multiply
26,344,090.20x = 39,491,252.10 × 15,569,664.60 - Step 4: Simplify right side
26,344,090.20x = 614,865,549,831,045.62 - Step 5: Solve for x
x = 614,865,549,831,045.62/26,344,090.20 - Step 6: Final answer
x = 23,339,790.64
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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.