Finding the Fourth Proportional to 10,207,887.08, 15,297,386.70 and 5,660,935.88
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Solution
The fourth proportional to 10,207,887.08, 15,297,386.70 and 5,660,935.88 is: 8,483,393.73
Step by Step Solution
- Step 1: Write the proportion equation
10,207,887.08 : 15,297,386.70 = 5,660,935.88 : x - Step 2: Convert to fraction form
10,207,887.08/15,297,386.70 = 5,660,935.88/x - Step 3: Cross multiply
10,207,887.08x = 15,297,386.70 × 5,660,935.88 - Step 4: Simplify right side
10,207,887.08x = 86,597,525,240,264.80 - Step 5: Solve for x
x = 86,597,525,240,264.80/10,207,887.08 - Step 6: Final answer
x = 8,483,393.73
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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.