Finding the Fourth Proportional to 17,909,909.97, 26,864,848.55 and 5,613,961.74
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Solution
The fourth proportional to 17,909,909.97, 26,864,848.55 and 5,613,961.74 is: 8,420,937.47
Step by Step Solution
- Step 1: Write the proportion equation
17,909,909.97 : 26,864,848.55 = 5,613,961.74 : x - Step 2: Convert to fraction form
17,909,909.97/26,864,848.55 = 5,613,961.74/x - Step 3: Cross multiply
17,909,909.97x = 26,864,848.55 × 5,613,961.74 - Step 4: Simplify right side
17,909,909.97x = 150,818,231,882,524.69 - Step 5: Solve for x
x = 150,818,231,882,524.69/17,909,909.97 - Step 6: Final answer
x = 8,420,937.47
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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.