Finding the Fourth Proportional to 7,711,256.20, 11,564,810.70 and 3,222,603.40
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Solution
The fourth proportional to 7,711,256.20, 11,564,810.70 and 3,222,603.40 is: 4,833,038.52
Step by Step Solution
- Step 1: Write the proportion equation
7,711,256.20 : 11,564,810.70 = 3,222,603.40 : x - Step 2: Convert to fraction form
7,711,256.20/11,564,810.70 = 3,222,603.40/x - Step 3: Cross multiply
7,711,256.20x = 11,564,810.70 × 3,222,603.40 - Step 4: Simplify right side
7,711,256.20x = 37,268,798,282,176.38 - Step 5: Solve for x
x = 37,268,798,282,176.38/7,711,256.20 - Step 6: Final answer
x = 4,833,038.52
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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.