Finding the Fourth Proportional to 38,773,133.93, 53,506,230.65 and 21,132,195.37
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Solution
The fourth proportional to 38,773,133.93, 53,506,230.65 and 21,132,195.37 is: 29,162,051.27
Step by Step Solution
- Step 1: Write the proportion equation
38,773,133.93 : 53,506,230.65 = 21,132,195.37 : x - Step 2: Convert to fraction form
38,773,133.93/53,506,230.65 = 21,132,195.37/x - Step 3: Cross multiply
38,773,133.93x = 53,506,230.65 × 21,132,195.37 - Step 4: Simplify right side
38,773,133.93x = 1,130,704,119,447,859 - Step 5: Solve for x
x = 1,130,704,119,447,859/38,773,133.93 - Step 6: Final answer
x = 29,162,051.27
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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.