Finding the Fourth Proportional to 26,791,896.39, 40,137,136.14 and 15,829,302.12
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Solution
The fourth proportional to 26,791,896.39, 40,137,136.14 and 15,829,302.12 is: 23,713,993.40
Step by Step Solution
- Step 1: Write the proportion equation
26,791,896.39 : 40,137,136.14 = 15,829,302.12 : x - Step 2: Convert to fraction form
26,791,896.39/40,137,136.14 = 15,829,302.12/x - Step 3: Cross multiply
26,791,896.39x = 40,137,136.14 × 15,829,302.12 - Step 4: Simplify right side
26,791,896.39x = 635,342,853,990,945 - Step 5: Solve for x
x = 635,342,853,990,945/26,791,896.39 - Step 6: Final answer
x = 23,713,993.40
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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.