Finding the Fourth Proportional to 13,257,614.22, 18,294,902.91 and 7,377,539.10
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Solution
The fourth proportional to 13,257,614.22, 18,294,902.91 and 7,377,539.10 is: 10,180,667.45
Step by Step Solution
- Step 1: Write the proportion equation
13,257,614.22 : 18,294,902.91 = 7,377,539.10 : x - Step 2: Convert to fraction form
13,257,614.22/18,294,902.91 = 7,377,539.10/x - Step 3: Cross multiply
13,257,614.22x = 18,294,902.91 × 7,377,539.10 - Step 4: Simplify right side
13,257,614.22x = 134,971,361,549,228.78 - Step 5: Solve for x
x = 134,971,361,549,228.78/13,257,614.22 - Step 6: Final answer
x = 10,180,667.45
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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.