Finding the Fourth Proportional to 15,236,097.23, 21,025,784.99 and 8,266,772.79
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Solution
The fourth proportional to 15,236,097.23, 21,025,784.99 and 8,266,772.79 is: 11,408,130.61
Step by Step Solution
- Step 1: Write the proportion equation
15,236,097.23 : 21,025,784.99 = 8,266,772.79 : x - Step 2: Convert to fraction form
15,236,097.23/21,025,784.99 = 8,266,772.79/x - Step 3: Cross multiply
15,236,097.23x = 21,025,784.99 × 8,266,772.79 - Step 4: Simplify right side
15,236,097.23x = 173,815,387,264,389.34 - Step 5: Solve for x
x = 173,815,387,264,389.34/15,236,097.23 - Step 6: Final answer
x = 11,408,130.61
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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.