Finding the Fourth Proportional to 28,084,578.01, 42,123,848.94 and 19,044,700.99
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Solution
The fourth proportional to 28,084,578.01, 42,123,848.94 and 19,044,700.99 is: 28,565,004.87
Step by Step Solution
- Step 1: Write the proportion equation
28,084,578.01 : 42,123,848.94 = 19,044,700.99 : x - Step 2: Convert to fraction form
28,084,578.01/42,123,848.94 = 19,044,700.99/x - Step 3: Cross multiply
28,084,578.01x = 42,123,848.94 × 19,044,700.99 - Step 4: Simplify right side
28,084,578.01x = 802,236,107,610,228.38 - Step 5: Solve for x
x = 802,236,107,610,228.38/28,084,578.01 - Step 6: Final answer
x = 28,565,004.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.