Finding the Fourth Proportional to 17,516,681.20, 24,184,394.40 and 15,677,955.28
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Solution
The fourth proportional to 17,516,681.20, 24,184,394.40 and 15,677,955.28 is: 21,645,758.67
Step by Step Solution
- Step 1: Write the proportion equation
17,516,681.20 : 24,184,394.40 = 15,677,955.28 : x - Step 2: Convert to fraction form
17,516,681.20/24,184,394.40 = 15,677,955.28/x - Step 3: Cross multiply
17,516,681.20x = 24,184,394.40 × 15,677,955.28 - Step 4: Simplify right side
17,516,681.20x = 379,161,853,877,082.38 - Step 5: Solve for x
x = 379,161,853,877,082.38/17,516,681.20 - Step 6: Final answer
x = 21,645,758.67
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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.