Finding the Fourth Proportional to 23,246,638.01, 32,080,655.55 and 12,793,857.84
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Solution
The fourth proportional to 23,246,638.01, 32,080,655.55 and 12,793,857.84 is: 17,655,686.23
Step by Step Solution
- Step 1: Write the proportion equation
23,246,638.01 : 32,080,655.55 = 12,793,857.84 : x - Step 2: Convert to fraction form
23,246,638.01/32,080,655.55 = 12,793,857.84/x - Step 3: Cross multiply
23,246,638.01x = 32,080,655.55 × 12,793,857.84 - Step 4: Simplify right side
23,246,638.01x = 410,435,346,520,707 - Step 5: Solve for x
x = 410,435,346,520,707/23,246,638.01 - Step 6: Final answer
x = 17,655,686.23
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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.