Finding the Fourth Proportional to 19,277,564.84, 28,876,980.99 and 10,762,436.60
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Solution
The fourth proportional to 19,277,564.84, 28,876,980.99 and 10,762,436.60 is: 16,121,677.18
Step by Step Solution
- Step 1: Write the proportion equation
19,277,564.84 : 28,876,980.99 = 10,762,436.60 : x - Step 2: Convert to fraction form
19,277,564.84/28,876,980.99 = 10,762,436.60/x - Step 3: Cross multiply
19,277,564.84x = 28,876,980.99 × 10,762,436.60 - Step 4: Simplify right side
19,277,564.84x = 310,786,677,104,280.19 - Step 5: Solve for x
x = 310,786,677,104,280.19/19,277,564.84 - Step 6: Final answer
x = 16,121,677.18
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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.