Finding the Fourth Proportional to 39,377,962.62, 54,341,589.83 and 21,736,869.75
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Solution
The fourth proportional to 39,377,962.62, 54,341,589.83 and 21,736,869.75 is: 29,996,881.03
Step by Step Solution
- Step 1: Write the proportion equation
39,377,962.62 : 54,341,589.83 = 21,736,869.75 : x - Step 2: Convert to fraction form
39,377,962.62/54,341,589.83 = 21,736,869.75/x - Step 3: Cross multiply
39,377,962.62x = 54,341,589.83 × 21,736,869.75 - Step 4: Simplify right side
39,377,962.62x = 1,181,216,060,033,950.25 - Step 5: Solve for x
x = 1,181,216,060,033,950.25/39,377,962.62 - Step 6: Final answer
x = 29,996,881.03
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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.