Finding the Fourth Proportional to 8,979,389.00, 12,391,537.57 and 4,905,008.00
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Solution
The fourth proportional to 8,979,389.00, 12,391,537.57 and 4,905,008.00 is: 6,768,900.52
Step by Step Solution
- Step 1: Write the proportion equation
8,979,389.00 : 12,391,537.57 = 4,905,008.00 : x - Step 2: Convert to fraction form
8,979,389.00/12,391,537.57 = 4,905,008.00/x - Step 3: Cross multiply
8,979,389.00x = 12,391,537.57 × 4,905,008.00 - Step 4: Simplify right side
8,979,389.00x = 60,780,590,838,930.36 - Step 5: Solve for x
x = 60,780,590,838,930.36/8,979,389.00 - Step 6: Final answer
x = 6,768,900.52
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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.