Finding the Fourth Proportional to 14,678,420.80, 22,020,255.60 and 6,159,618.40
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Solution
The fourth proportional to 14,678,420.80, 22,020,255.60 and 6,159,618.40 is: 9,240,528.90
Step by Step Solution
- Step 1: Write the proportion equation
14,678,420.80 : 22,020,255.60 = 6,159,618.40 : x - Step 2: Convert to fraction form
14,678,420.80/22,020,255.60 = 6,159,618.40/x - Step 3: Cross multiply
14,678,420.80x = 22,020,255.60 × 6,159,618.40 - Step 4: Simplify right side
14,678,420.80x = 135,636,371,566,463.06 - Step 5: Solve for x
x = 135,636,371,566,463.06/14,678,420.80 - Step 6: Final answer
x = 9,240,528.90
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1.5x scale
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.