Finding the Fourth Proportional to 14,688,034.80, 22,013,389.80 and 7,098,658.80
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Solution
The fourth proportional to 14,688,034.80, 22,013,389.80 and 7,098,658.80 is: 10,638,968.75
Step by Step Solution
- Step 1: Write the proportion equation
14,688,034.80 : 22,013,389.80 = 7,098,658.80 : x - Step 2: Convert to fraction form
14,688,034.80/22,013,389.80 = 7,098,658.80/x - Step 3: Cross multiply
14,688,034.80x = 22,013,389.80 × 7,098,658.80 - Step 4: Simplify right side
14,688,034.80x = 156,265,543,221,600.25 - Step 5: Solve for x
x = 156,265,543,221,600.25/14,688,034.80 - Step 6: Final answer
x = 10,638,968.75
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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.