Finding the Fourth Proportional to 45,371,781.28, 68,057,321.52 and 11,292,899.68
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Solution
The fourth proportional to 45,371,781.28, 68,057,321.52 and 11,292,899.68 is: 16,939,262.31
Step by Step Solution
- Step 1: Write the proportion equation
45,371,781.28 : 68,057,321.52 = 11,292,899.68 : x - Step 2: Convert to fraction form
45,371,781.28/68,057,321.52 = 11,292,899.68/x - Step 3: Cross multiply
45,371,781.28x = 68,057,321.52 × 11,292,899.68 - Step 4: Simplify right side
45,371,781.28x = 768,564,504,414,865 - Step 5: Solve for x
x = 768,564,504,414,865/45,371,781.28 - Step 6: Final answer
x = 16,939,262.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.