Finding the Fourth Proportional to 14,646,669.28, 20,213,594.76 and 8,122,342.84
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Solution
The fourth proportional to 14,646,669.28, 20,213,594.76 and 8,122,342.84 is: 11,209,493.68
Step by Step Solution
- Step 1: Write the proportion equation
14,646,669.28 : 20,213,594.76 = 8,122,342.84 : x - Step 2: Convert to fraction form
14,646,669.28/20,213,594.76 = 8,122,342.84/x - Step 3: Cross multiply
14,646,669.28x = 20,213,594.76 × 8,122,342.84 - Step 4: Simplify right side
14,646,669.28x = 164,181,746,669,547.53 - Step 5: Solve for x
x = 164,181,746,669,547.53/14,646,669.28 - Step 6: Final answer
x = 11,209,493.68
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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.