Finding the Fourth Proportional to 13,249,742.09, 19,874,620.05 and 4,152,548.19
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Solution
The fourth proportional to 13,249,742.09, 19,874,620.05 and 4,152,548.19 is: 6,228,824.45
Step by Step Solution
- Step 1: Write the proportion equation
13,249,742.09 : 19,874,620.05 = 4,152,548.19 : x - Step 2: Convert to fraction form
13,249,742.09/19,874,620.05 = 4,152,548.19/x - Step 3: Cross multiply
13,249,742.09x = 19,874,620.05 × 4,152,548.19 - Step 4: Simplify right side
13,249,742.09x = 82,530,317,515,565.22 - Step 5: Solve for x
x = 82,530,317,515,565.22/13,249,742.09 - Step 6: Final answer
x = 6,228,824.45
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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.