Finding the Fourth Proportional to 35,979,494.84, 49,651,768.20 and 19,681,970.84
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Solution
The fourth proportional to 35,979,494.84, 49,651,768.20 and 19,681,970.84 is: 27,161,155.49
Step by Step Solution
- Step 1: Write the proportion equation
35,979,494.84 : 49,651,768.20 = 19,681,970.84 : x - Step 2: Convert to fraction form
35,979,494.84/49,651,768.20 = 19,681,970.84/x - Step 3: Cross multiply
35,979,494.84x = 49,651,768.20 × 19,681,970.84 - Step 4: Simplify right side
35,979,494.84x = 977,244,653,866,839.38 - Step 5: Solve for x
x = 977,244,653,866,839.38/35,979,494.84 - Step 6: Final answer
x = 27,161,155.49
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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.