Finding the Fourth Proportional to 23,193,799.68, 32,007,877.20 and 12,881,488.80
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Solution
The fourth proportional to 23,193,799.68, 32,007,877.20 and 12,881,488.80 is: 17,776,695.38
Step by Step Solution
- Step 1: Write the proportion equation
23,193,799.68 : 32,007,877.20 = 12,881,488.80 : x - Step 2: Convert to fraction form
23,193,799.68/32,007,877.20 = 12,881,488.80/x - Step 3: Cross multiply
23,193,799.68x = 32,007,877.20 × 12,881,488.80 - Step 4: Simplify right side
23,193,799.68x = 412,309,111,663,575.38 - Step 5: Solve for x
x = 412,309,111,663,575.38/23,193,799.68 - Step 6: Final answer
x = 17,776,695.38
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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.