Finding the Fourth Proportional to 16,309,129.92, 22,506,122.16 and 8,966,955.84
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Solution
The fourth proportional to 16,309,129.92, 22,506,122.16 and 8,966,955.84 is: 12,374,136.73
Step by Step Solution
- Step 1: Write the proportion equation
16,309,129.92 : 22,506,122.16 = 8,966,955.84 : x - Step 2: Convert to fraction form
16,309,129.92/22,506,122.16 = 8,966,955.84/x - Step 3: Cross multiply
16,309,129.92x = 22,506,122.16 × 8,966,955.84 - Step 4: Simplify right side
16,309,129.92x = 201,811,403,538,365.41 - Step 5: Solve for x
x = 201,811,403,538,365.41/16,309,129.92 - Step 6: Final answer
x = 12,374,136.73
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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.