Finding the Fourth Proportional to 10,357,541.80, 15,536,312.70 and 5,318,693.80
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Solution
The fourth proportional to 10,357,541.80, 15,536,312.70 and 5,318,693.80 is: 7,978,040.70
Step by Step Solution
- Step 1: Write the proportion equation
10,357,541.80 : 15,536,312.70 = 5,318,693.80 : x - Step 2: Convert to fraction form
10,357,541.80/15,536,312.70 = 5,318,693.80/x - Step 3: Cross multiply
10,357,541.80x = 15,536,312.70 × 5,318,693.80 - Step 4: Simplify right side
10,357,541.80x = 82,632,890,032,351.25 - Step 5: Solve for x
x = 82,632,890,032,351.25/10,357,541.80 - Step 6: Final answer
x = 7,978,040.70
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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.