Finding the Fourth Proportional to 9,642,102.30, 13,306,484.81 and 5,291,344.30
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Solution
The fourth proportional to 9,642,102.30, 13,306,484.81 and 5,291,344.30 is: 7,302,265.66
Step by Step Solution
- Step 1: Write the proportion equation
9,642,102.30 : 13,306,484.81 = 5,291,344.30 : x - Step 2: Convert to fraction form
9,642,102.30/13,306,484.81 = 5,291,344.30/x - Step 3: Cross multiply
9,642,102.30x = 13,306,484.81 × 5,291,344.30 - Step 4: Simplify right side
9,642,102.30x = 70,409,192,552,430.08 - Step 5: Solve for x
x = 70,409,192,552,430.08/9,642,102.30 - Step 6: Final answer
x = 7,302,265.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.