Finding the Fourth Proportional to 7,439,747.84, 11,149,228.16 and 4,020,663.36
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Solution
The fourth proportional to 7,439,747.84, 11,149,228.16 and 4,020,663.36 is: 6,025,378.03
Step by Step Solution
- Step 1: Write the proportion equation
7,439,747.84 : 11,149,228.16 = 4,020,663.36 : x - Step 2: Convert to fraction form
7,439,747.84/11,149,228.16 = 4,020,663.36/x - Step 3: Cross multiply
7,439,747.84x = 11,149,228.16 × 4,020,663.36 - Step 4: Simplify right side
7,439,747.84x = 44,827,293,155,192.22 - Step 5: Solve for x
x = 44,827,293,155,192.22/7,439,747.84 - Step 6: Final answer
x = 6,025,378.03
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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.