Finding the Fourth Proportional to 7,242,365.70, 10,863,548.55 and 7,130,391.30
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Solution
The fourth proportional to 7,242,365.70, 10,863,548.55 and 7,130,391.30 is: 10,695,586.95
Step by Step Solution
- Step 1: Write the proportion equation
7,242,365.70 : 10,863,548.55 = 7,130,391.30 : x - Step 2: Convert to fraction form
7,242,365.70/10,863,548.55 = 7,130,391.30/x - Step 3: Cross multiply
7,242,365.70x = 10,863,548.55 × 7,130,391.30 - Step 4: Simplify right side
7,242,365.70x = 77,461,352,068,047.62 - Step 5: Solve for x
x = 77,461,352,068,047.62/7,242,365.70 - Step 6: Final answer
x = 10,695,586.95
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1.5x scale
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.