Finding the Fourth Proportional to 40,837,539.80, 61,256,309.70 and 37,058,403.80
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Solution
The fourth proportional to 40,837,539.80, 61,256,309.70 and 37,058,403.80 is: 55,587,605.70
Step by Step Solution
- Step 1: Write the proportion equation
40,837,539.80 : 61,256,309.70 = 37,058,403.80 : x - Step 2: Convert to fraction form
40,837,539.80/61,256,309.70 = 37,058,403.80/x - Step 3: Cross multiply
40,837,539.80x = 61,256,309.70 × 37,058,403.80 - Step 4: Simplify right side
40,837,539.80x = 2,270,061,060,160,457 - Step 5: Solve for x
x = 2,270,061,060,160,457/40,837,539.80 - Step 6: Final answer
x = 55,587,605.70
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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.