Finding the Fourth Proportional to 26,446,948.82, 39,652,312.68 and 13,467,975.92
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Solution
The fourth proportional to 26,446,948.82, 39,652,312.68 and 13,467,975.92 is: 20,192,741.17
Step by Step Solution
- Step 1: Write the proportion equation
26,446,948.82 : 39,652,312.68 = 13,467,975.92 : x - Step 2: Convert to fraction form
26,446,948.82/39,652,312.68 = 13,467,975.92/x - Step 3: Cross multiply
26,446,948.82x = 39,652,312.68 × 13,467,975.92 - Step 4: Simplify right side
26,446,948.82x = 534,036,392,148,289.06 - Step 5: Solve for x
x = 534,036,392,148,289.06/26,446,948.82 - Step 6: Final answer
x = 20,192,741.17
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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.