Finding the Fourth Proportional to 9,842,427.30, 14,763,640.95 and 8,047,337.70
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Solution
The fourth proportional to 9,842,427.30, 14,763,640.95 and 8,047,337.70 is: 12,071,006.55
Step by Step Solution
- Step 1: Write the proportion equation
9,842,427.30 : 14,763,640.95 = 8,047,337.70 : x - Step 2: Convert to fraction form
9,842,427.30/14,763,640.95 = 8,047,337.70/x - Step 3: Cross multiply
9,842,427.30x = 14,763,640.95 × 8,047,337.70 - Step 4: Simplify right side
9,842,427.30x = 118,808,004,406,198.81 - Step 5: Solve for x
x = 118,808,004,406,198.81/9,842,427.30 - Step 6: Final answer
x = 12,071,006.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.