Finding the Fourth Proportional to 7,199,708.34, 9,935,598.44 and 3,936,525.32
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Solution
The fourth proportional to 7,199,708.34, 9,935,598.44 and 3,936,525.32 is: 5,432,405.45
Step by Step Solution
- Step 1: Write the proportion equation
7,199,708.34 : 9,935,598.44 = 3,936,525.32 : x - Step 2: Convert to fraction form
7,199,708.34/9,935,598.44 = 3,936,525.32/x - Step 3: Cross multiply
7,199,708.34x = 9,935,598.44 × 3,936,525.32 - Step 4: Simplify right side
7,199,708.34x = 39,111,734,828,412.50 - Step 5: Solve for x
x = 39,111,734,828,412.50/7,199,708.34 - Step 6: Final answer
x = 5,432,405.45
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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.