Finding the Fourth Proportional to 23,579,691.20, 32,539,640.46 and 13,266,389.68
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Solution
The fourth proportional to 23,579,691.20, 32,539,640.46 and 13,266,389.68 is: 18,307,430.18
Step by Step Solution
- Step 1: Write the proportion equation
23,579,691.20 : 32,539,640.46 = 13,266,389.68 : x - Step 2: Convert to fraction form
23,579,691.20/32,539,640.46 = 13,266,389.68/x - Step 3: Cross multiply
23,579,691.20x = 32,539,640.46 × 13,266,389.68 - Step 4: Simplify right side
23,579,691.20x = 431,683,550,389,454.44 - Step 5: Solve for x
x = 431,683,550,389,454.44/23,579,691.20 - Step 6: Final answer
x = 18,307,430.18
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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.