Finding the Fourth Proportional to 39,730,601.70, 59,551,615.80 and 15,461,462.70
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Solution
The fourth proportional to 39,730,601.70, 59,551,615.80 and 15,461,462.70 is: 23,174,959.53
Step by Step Solution
- Step 1: Write the proportion equation
39,730,601.70 : 59,551,615.80 = 15,461,462.70 : x - Step 2: Convert to fraction form
39,730,601.70/59,551,615.80 = 15,461,462.70/x - Step 3: Cross multiply
39,730,601.70x = 59,551,615.80 × 15,461,462.70 - Step 4: Simplify right side
39,730,601.70x = 920,755,086,416,430.62 - Step 5: Solve for x
x = 920,755,086,416,430.62/39,730,601.70 - Step 6: Final answer
x = 23,174,959.53
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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.