Finding the Fourth Proportional to 10,506,554.40, 15,747,584.40 and 4,827,352.80
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Solution
The fourth proportional to 10,506,554.40, 15,747,584.40 and 4,827,352.80 is: 7,235,402.09
Step by Step Solution
- Step 1: Write the proportion equation
10,506,554.40 : 15,747,584.40 = 4,827,352.80 : x - Step 2: Convert to fraction form
10,506,554.40/15,747,584.40 = 4,827,352.80/x - Step 3: Cross multiply
10,506,554.40x = 15,747,584.40 × 4,827,352.80 - Step 4: Simplify right side
10,506,554.40x = 76,019,145,646,576.31 - Step 5: Solve for x
x = 76,019,145,646,576.31/10,506,554.40 - Step 6: Final answer
x = 7,235,402.09
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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.