Finding the Fourth Proportional to 39,883,619.20, 59,778,189.60 and 29,774,430.40
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Solution
The fourth proportional to 39,883,619.20, 59,778,189.60 and 29,774,430.40 is: 44,626,379.99
Step by Step Solution
- Step 1: Write the proportion equation
39,883,619.20 : 59,778,189.60 = 29,774,430.40 : x - Step 2: Convert to fraction form
39,883,619.20/59,778,189.60 = 29,774,430.40/x - Step 3: Cross multiply
39,883,619.20x = 59,778,189.60 × 29,774,430.40 - Step 4: Simplify right side
39,883,619.20x = 1,779,861,545,683,203.75 - Step 5: Solve for x
x = 1,779,861,545,683,203.75/39,883,619.20 - Step 6: Final answer
x = 44,626,379.99
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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.