Finding the Fourth Proportional to 19,211,689.92, 26,512,341.30 and 10,509,675.69
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Solution
The fourth proportional to 19,211,689.92, 26,512,341.30 and 10,509,675.69 is: 14,503,466.90
Step by Step Solution
- Step 1: Write the proportion equation
19,211,689.92 : 26,512,341.30 = 10,509,675.69 : x - Step 2: Convert to fraction form
19,211,689.92/26,512,341.30 = 10,509,675.69/x - Step 3: Cross multiply
19,211,689.92x = 26,512,341.30 × 10,509,675.69 - Step 4: Simplify right side
19,211,689.92x = 278,636,108,845,593 - Step 5: Solve for x
x = 278,636,108,845,593/19,211,689.92 - Step 6: Final answer
x = 14,503,466.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.