Finding the Fourth Proportional to 36,174,967.96, 49,921,444.36 and 19,878,493.72
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Solution
The fourth proportional to 36,174,967.96, 49,921,444.36 and 19,878,493.72 is: 27,432,315.06
Step by Step Solution
- Step 1: Write the proportion equation
36,174,967.96 : 49,921,444.36 = 19,878,493.72 : x - Step 2: Convert to fraction form
36,174,967.96/49,921,444.36 = 19,878,493.72/x - Step 3: Cross multiply
36,174,967.96x = 49,921,444.36 × 19,878,493.72 - Step 4: Simplify right side
36,174,967.96x = 992,363,118,203,589.38 - Step 5: Solve for x
x = 992,363,118,203,589.38/36,174,967.96 - Step 6: Final answer
x = 27,432,315.06
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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.