Finding the Fourth Proportional to 7,330,015.80, 11,018,643.30 and 5,214,749.40
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Solution
The fourth proportional to 7,330,015.80, 11,018,643.30 and 5,214,749.40 is: 7,838,927.65
Step by Step Solution
- Step 1: Write the proportion equation
7,330,015.80 : 11,018,643.30 = 5,214,749.40 : x - Step 2: Convert to fraction form
7,330,015.80/11,018,643.30 = 5,214,749.40/x - Step 3: Cross multiply
7,330,015.80x = 11,018,643.30 × 5,214,749.40 - Step 4: Simplify right side
7,330,015.80x = 57,459,463,537,489.03 - Step 5: Solve for x
x = 57,459,463,537,489.03/7,330,015.80 - Step 6: Final answer
x = 7,838,927.65
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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.