Finding the Fourth Proportional to 12,219,190.47, 16,862,493.94 and 6,712,922.05
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Solution
The fourth proportional to 12,219,190.47, 16,862,493.94 and 6,712,922.05 is: 9,263,838.52
Step by Step Solution
- Step 1: Write the proportion equation
12,219,190.47 : 16,862,493.94 = 6,712,922.05 : x - Step 2: Convert to fraction form
12,219,190.47/16,862,493.94 = 6,712,922.05/x - Step 3: Cross multiply
12,219,190.47x = 16,862,493.94 × 6,712,922.05 - Step 4: Simplify right side
12,219,190.47x = 113,196,607,328,878.84 - Step 5: Solve for x
x = 113,196,607,328,878.84/12,219,190.47 - Step 6: Final answer
x = 9,263,838.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.