Finding the Fourth Proportional to 19,771,912.97, 29,636,943.57 and 8,996,780.59
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Solution
The fourth proportional to 19,771,912.97, 29,636,943.57 and 8,996,780.59 is: 13,485,649.01
Step by Step Solution
- Step 1: Write the proportion equation
19,771,912.97 : 29,636,943.57 = 8,996,780.59 : x - Step 2: Convert to fraction form
19,771,912.97/29,636,943.57 = 8,996,780.59/x - Step 3: Cross multiply
19,771,912.97x = 29,636,943.57 × 8,996,780.59 - Step 4: Simplify right side
19,771,912.97x = 266,637,078,583,408.97 - Step 5: Solve for x
x = 266,637,078,583,408.97/19,771,912.97 - Step 6: Final answer
x = 13,485,649.01
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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.