Finding the Fourth Proportional to 13,495,032.74, 18,603,775.54 and 9,620,827.85
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Solution
The fourth proportional to 13,495,032.74, 18,603,775.54 and 9,620,827.85 is: 13,262,933.50
Step by Step Solution
- Step 1: Write the proportion equation
13,495,032.74 : 18,603,775.54 = 9,620,827.85 : x - Step 2: Convert to fraction form
13,495,032.74/18,603,775.54 = 9,620,827.85/x - Step 3: Cross multiply
13,495,032.74x = 18,603,775.54 × 9,620,827.85 - Step 4: Simplify right side
13,495,032.74x = 178,983,721,888,916.25 - Step 5: Solve for x
x = 178,983,721,888,916.25/13,495,032.74 - Step 6: Final answer
x = 13,262,933.50
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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.