Finding the Fourth Proportional to 41,688,085.80, 62,532,128.70 and 39,349,745.40
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Solution
The fourth proportional to 41,688,085.80, 62,532,128.70 and 39,349,745.40 is: 59,024,618.10
Step by Step Solution
- Step 1: Write the proportion equation
41,688,085.80 : 62,532,128.70 = 39,349,745.40 : x - Step 2: Convert to fraction form
41,688,085.80/62,532,128.70 = 39,349,745.40/x - Step 3: Cross multiply
41,688,085.80x = 62,532,128.70 × 39,349,745.40 - Step 4: Simplify right side
41,688,085.80x = 2,460,623,343,665,033 - Step 5: Solve for x
x = 2,460,623,343,665,033/41,688,085.80 - Step 6: Final answer
x = 59,024,618.10
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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.