Finding the Fourth Proportional to 9,031,332.21, 12,463,244.96 and 4,901,362.26
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Solution
The fourth proportional to 9,031,332.21, 12,463,244.96 and 4,901,362.26 is: 6,763,883.45
Step by Step Solution
- Step 1: Write the proportion equation
9,031,332.21 : 12,463,244.96 = 4,901,362.26 : x - Step 2: Convert to fraction form
9,031,332.21/12,463,244.96 = 4,901,362.26/x - Step 3: Cross multiply
9,031,332.21x = 12,463,244.96 × 4,901,362.26 - Step 4: Simplify right side
9,031,332.21x = 61,086,878,459,572.40 - Step 5: Solve for x
x = 61,086,878,459,572.40/9,031,332.21 - Step 6: Final answer
x = 6,763,883.45
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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.