Finding the Fourth Proportional to 13,226,327.12, 18,251,323.70 and 7,423,987.84
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Solution
The fourth proportional to 13,226,327.12, 18,251,323.70 and 7,423,987.84 is: 10,244,537.57
Step by Step Solution
- Step 1: Write the proportion equation
13,226,327.12 : 18,251,323.70 = 7,423,987.84 : x - Step 2: Convert to fraction form
13,226,327.12/18,251,323.70 = 7,423,987.84/x - Step 3: Cross multiply
13,226,327.12x = 18,251,323.70 × 7,423,987.84 - Step 4: Simplify right side
13,226,327.12x = 135,497,605,129,955.56 - Step 5: Solve for x
x = 135,497,605,129,955.56/13,226,327.12 - Step 6: Final answer
x = 10,244,537.57
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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.