Finding the Fourth Proportional to 28,759,282.99, 39,688,789.80 and 17,008,624.26
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Solution
The fourth proportional to 28,759,282.99, 39,688,789.80 and 17,008,624.26 is: 23,472,480.62
Step by Step Solution
- Step 1: Write the proportion equation
28,759,282.99 : 39,688,789.80 = 17,008,624.26 : x - Step 2: Convert to fraction form
28,759,282.99/39,688,789.80 = 17,008,624.26/x - Step 3: Cross multiply
28,759,282.99x = 39,688,789.80 × 17,008,624.26 - Step 4: Simplify right side
28,759,282.99x = 675,051,712,758,833.50 - Step 5: Solve for x
x = 675,051,712,758,833.50/28,759,282.99 - Step 6: Final answer
x = 23,472,480.62
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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.