Finding the Fourth Proportional to 13,024,929.68, 17,975,002.96 and 7,223,365.68
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Solution
The fourth proportional to 13,024,929.68, 17,975,002.96 and 7,223,365.68 is: 9,968,577.39
Step by Step Solution
- Step 1: Write the proportion equation
13,024,929.68 : 17,975,002.96 = 7,223,365.68 : x - Step 2: Convert to fraction form
13,024,929.68/17,975,002.96 = 7,223,365.68/x - Step 3: Cross multiply
13,024,929.68x = 17,975,002.96 × 7,223,365.68 - Step 4: Simplify right side
13,024,929.68x = 129,840,019,479,162.41 - Step 5: Solve for x
x = 129,840,019,479,162.41/13,024,929.68 - Step 6: Final answer
x = 9,968,577.39
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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.