Finding the Fourth Proportional to 38,850,562.09, 53,612,370.48 and 21,446,533.63
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Solution
The fourth proportional to 38,850,562.09, 53,612,370.48 and 21,446,533.63 is: 29,595,440.70
Step by Step Solution
- Step 1: Write the proportion equation
38,850,562.09 : 53,612,370.48 = 21,446,533.63 : x - Step 2: Convert to fraction form
38,850,562.09/53,612,370.48 = 21,446,533.63/x - Step 3: Cross multiply
38,850,562.09x = 53,612,370.48 × 21,446,533.63 - Step 4: Simplify right side
38,850,562.09x = 1,149,799,506,483,339 - Step 5: Solve for x
x = 1,149,799,506,483,339/38,850,562.09 - Step 6: Final answer
x = 29,595,440.70
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1.5x scale
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.