Finding the Fourth Proportional to 38,130,341.73, 52,619,905.49 and 20,726,686.95
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Solution
The fourth proportional to 38,130,341.73, 52,619,905.49 and 20,726,686.95 is: 28,602,846.42
Step by Step Solution
- Step 1: Write the proportion equation
38,130,341.73 : 52,619,905.49 = 20,726,686.95 : x - Step 2: Convert to fraction form
38,130,341.73/52,619,905.49 = 20,726,686.95/x - Step 3: Cross multiply
38,130,341.73x = 52,619,905.49 × 20,726,686.95 - Step 4: Simplify right side
38,130,341.73x = 1,090,636,308,481,633 - Step 5: Solve for x
x = 1,090,636,308,481,633/38,130,341.73 - Step 6: Final answer
x = 28,602,846.42
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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.