Finding the Fourth Proportional to 19,180,906.68, 28,785,518.10 and 9,083,511.48
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Solution
The fourth proportional to 19,180,906.68, 28,785,518.10 and 9,083,511.48 is: 13,631,972.07
Step by Step Solution
- Step 1: Write the proportion equation
19,180,906.68 : 28,785,518.10 = 9,083,511.48 : x - Step 2: Convert to fraction form
19,180,906.68/28,785,518.10 = 9,083,511.48/x - Step 3: Cross multiply
19,180,906.68x = 28,785,518.10 × 9,083,511.48 - Step 4: Simplify right side
19,180,906.68x = 261,473,584,119,097.81 - Step 5: Solve for x
x = 261,473,584,119,097.81/19,180,906.68 - Step 6: Final answer
x = 13,631,972.07
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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.