Finding the Fourth Proportional to 34,702,495.80, 47,889,448.74 and 19,233,579.12
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Solution
The fourth proportional to 34,702,495.80, 47,889,448.74 and 19,233,579.12 is: 26,542,341.70
Step by Step Solution
- Step 1: Write the proportion equation
34,702,495.80 : 47,889,448.74 = 19,233,579.12 : x - Step 2: Convert to fraction form
34,702,495.80/47,889,448.74 = 19,233,579.12/x - Step 3: Cross multiply
34,702,495.80x = 47,889,448.74 × 19,233,579.12 - Step 4: Simplify right side
34,702,495.80x = 921,085,501,353,974.38 - Step 5: Solve for x
x = 921,085,501,353,974.38/34,702,495.80 - Step 6: Final answer
x = 26,542,341.70
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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.