Finding the Fourth Proportional to 7,789,232.68, 10,749,552.61 and 4,692,730.80
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Solution
The fourth proportional to 7,789,232.68, 10,749,552.61 and 4,692,730.80 is: 6,476,216.43
Step by Step Solution
- Step 1: Write the proportion equation
7,789,232.68 : 10,749,552.61 = 4,692,730.80 : x - Step 2: Convert to fraction form
7,789,232.68/10,749,552.61 = 4,692,730.80/x - Step 3: Cross multiply
7,789,232.68x = 10,749,552.61 × 4,692,730.80 - Step 4: Simplify right side
7,789,232.68x = 50,444,756,615,877.65 - Step 5: Solve for x
x = 50,444,756,615,877.65/7,789,232.68 - Step 6: Final answer
x = 6,476,216.43
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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.