Finding the Fourth Proportional to 51,859,762.80, 77,793,580.80 and 15,465,312.60
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Solution
The fourth proportional to 51,859,762.80, 77,793,580.80 and 15,465,312.60 is: 23,199,142.85
Step by Step Solution
- Step 1: Write the proportion equation
51,859,762.80 : 77,793,580.80 = 15,465,312.60 : x - Step 2: Convert to fraction form
51,859,762.80/77,793,580.80 = 15,465,312.60/x - Step 3: Cross multiply
51,859,762.80x = 77,793,580.80 × 15,465,312.60 - Step 4: Simplify right side
51,859,762.80x = 1,203,102,045,345,358 - Step 5: Solve for x
x = 1,203,102,045,345,358/51,859,762.80 - Step 6: Final answer
x = 23,199,142.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.