Finding the Fourth Proportional to 8,929,811.24, 12,323,053.86 and 4,855,431.08
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Solution
The fourth proportional to 8,929,811.24, 12,323,053.86 and 4,855,431.08 is: 6,700,448.32
Step by Step Solution
- Step 1: Write the proportion equation
8,929,811.24 : 12,323,053.86 = 4,855,431.08 : x - Step 2: Convert to fraction form
8,929,811.24/12,323,053.86 = 4,855,431.08/x - Step 3: Cross multiply
8,929,811.24x = 12,323,053.86 × 4,855,431.08 - Step 4: Simplify right side
8,929,811.24x = 59,833,738,712,357.97 - Step 5: Solve for x
x = 59,833,738,712,357.97/8,929,811.24 - Step 6: Final answer
x = 6,700,448.32
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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.