Finding the Fourth Proportional to 36,126,518.24, 49,854,967.74 and 19,606,785.47
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Solution
The fourth proportional to 36,126,518.24, 49,854,967.74 and 19,606,785.47 is: 27,057,566.15
Step by Step Solution
- Step 1: Write the proportion equation
36,126,518.24 : 49,854,967.74 = 19,606,785.47 : x - Step 2: Convert to fraction form
36,126,518.24/49,854,967.74 = 19,606,785.47/x - Step 3: Cross multiply
36,126,518.24x = 49,854,967.74 × 19,606,785.47 - Step 4: Simplify right side
36,126,518.24x = 977,495,657,091,950.75 - Step 5: Solve for x
x = 977,495,657,091,950.75/36,126,518.24 - Step 6: Final answer
x = 27,057,566.15
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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.