Finding the Fourth Proportional to 38,998,377.46, 53,817,678.66 and 22,478,390.48
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Solution
The fourth proportional to 38,998,377.46, 53,817,678.66 and 22,478,390.48 is: 31,020,131.46
Step by Step Solution
- Step 1: Write the proportion equation
38,998,377.46 : 53,817,678.66 = 22,478,390.48 : x - Step 2: Convert to fraction form
38,998,377.46/53,817,678.66 = 22,478,390.48/x - Step 3: Cross multiply
38,998,377.46x = 53,817,678.66 × 22,478,390.48 - Step 4: Simplify right side
38,998,377.46x = 1,209,734,795,646,643 - Step 5: Solve for x
x = 1,209,734,795,646,643/38,998,377.46 - Step 6: Final answer
x = 31,020,131.46
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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.