Finding the Fourth Proportional to 8,862,764.49, 12,230,603.15 and 4,788,383.49
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Solution
The fourth proportional to 8,862,764.49, 12,230,603.15 and 4,788,383.49 is: 6,607,962.81
Step by Step Solution
- Step 1: Write the proportion equation
8,862,764.49 : 12,230,603.15 = 4,788,383.49 : x - Step 2: Convert to fraction form
8,862,764.49/12,230,603.15 = 4,788,383.49/x - Step 3: Cross multiply
8,862,764.49x = 12,230,603.15 × 4,788,383.49 - Step 4: Simplify right side
8,862,764.49x = 58,564,818,172,260.08 - Step 5: Solve for x
x = 58,564,818,172,260.08/8,862,764.49 - Step 6: Final answer
x = 6,607,962.81
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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.