Finding the Fourth Proportional to 9,225,247.49, 12,730,765.85 and 5,038,935.05
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Solution
The fourth proportional to 9,225,247.49, 12,730,765.85 and 5,038,935.05 is: 6,953,689.02
Step by Step Solution
- Step 1: Write the proportion equation
9,225,247.49 : 12,730,765.85 = 5,038,935.05 : x - Step 2: Convert to fraction form
9,225,247.49/12,730,765.85 = 5,038,935.05/x - Step 3: Cross multiply
9,225,247.49x = 12,730,765.85 × 5,038,935.05 - Step 4: Simplify right side
9,225,247.49x = 64,149,502,203,851.55 - Step 5: Solve for x
x = 64,149,502,203,851.55/9,225,247.49 - Step 6: Final answer
x = 6,953,689.02
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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.