Finding the Fourth Proportional to 34,989,947.20, 48,286,147.68 and 19,520,031.84
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Solution
The fourth proportional to 34,989,947.20, 48,286,147.68 and 19,520,031.84 is: 26,937,655.40
Step by Step Solution
- Step 1: Write the proportion equation
34,989,947.20 : 48,286,147.68 = 19,520,031.84 : x - Step 2: Convert to fraction form
34,989,947.20/48,286,147.68 = 19,520,031.84/x - Step 3: Cross multiply
34,989,947.20x = 48,286,147.68 × 19,520,031.84 - Step 4: Simplify right side
34,989,947.20x = 942,547,140,144,542.12 - Step 5: Solve for x
x = 942,547,140,144,542.12/34,989,947.20 - Step 6: Final answer
x = 26,937,655.40
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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.