Finding the Fourth Proportional to 39,183,139.20, 58,759,329.60 and 14,909,174.40
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Solution
The fourth proportional to 39,183,139.20, 58,759,329.60 and 14,909,174.40 is: 22,357,909.82
Step by Step Solution
- Step 1: Write the proportion equation
39,183,139.20 : 58,759,329.60 = 14,909,174.40 : x - Step 2: Convert to fraction form
39,183,139.20/58,759,329.60 = 14,909,174.40/x - Step 3: Cross multiply
39,183,139.20x = 58,759,329.60 × 14,909,174.40 - Step 4: Simplify right side
39,183,139.20x = 876,053,092,633,482.25 - Step 5: Solve for x
x = 876,053,092,633,482.25/39,183,139.20 - Step 6: Final answer
x = 22,357,909.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.