Finding the Fourth Proportional to 33,417,961.23, 46,119,547.29 and 18,538,082.71
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Solution
The fourth proportional to 33,417,961.23, 46,119,547.29 and 18,538,082.71 is: 25,584,085.65
Step by Step Solution
- Step 1: Write the proportion equation
33,417,961.23 : 46,119,547.29 = 18,538,082.71 : x - Step 2: Convert to fraction form
33,417,961.23/46,119,547.29 = 18,538,082.71/x - Step 3: Cross multiply
33,417,961.23x = 46,119,547.29 × 18,538,082.71 - Step 4: Simplify right side
33,417,961.23x = 854,967,982,209,776.38 - Step 5: Solve for x
x = 854,967,982,209,776.38/33,417,961.23 - Step 6: Final answer
x = 25,584,085.65
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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.