Finding the Fourth Proportional to 13,537,116, 18,681,220.08 and 7,425,559.08
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Solution
The fourth proportional to 13,537,116, 18,681,220.08 and 7,425,559.08 is: 10,247,271.53
Step by Step Solution
- Step 1: Write the proportion equation
13,537,116 : 18,681,220.08 = 7,425,559.08 : x - Step 2: Convert to fraction form
13,537,116/18,681,220.08 = 7,425,559.08/x - Step 3: Cross multiply
13,537,116x = 18,681,220.08 × 7,425,559.08 - Step 4: Simplify right side
13,537,116x = 138,718,503,390,522.31 - Step 5: Solve for x
x = 138,718,503,390,522.31/13,537,116 - Step 6: Final answer
x = 10,247,271.53
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1.5x scale
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.