Finding the Fourth Proportional to 23,115,836.49, 31,899,774.74 and 13,326,234
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Solution
The fourth proportional to 23,115,836.49, 31,899,774.74 and 13,326,234 is: 18,390,157.02
Step by Step Solution
- Step 1: Write the proportion equation
23,115,836.49 : 31,899,774.74 = 13,326,234 : x - Step 2: Convert to fraction form
23,115,836.49/31,899,774.74 = 13,326,234/x - Step 3: Cross multiply
23,115,836.49x = 31,899,774.74 × 13,326,234 - Step 4: Simplify right side
23,115,836.49x = 425,103,862,732,529.12 - Step 5: Solve for x
x = 425,103,862,732,529.12/23,115,836.49 - Step 6: Final answer
x = 18,390,157.02
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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.