Finding the Fourth Proportional to 28,670,169.62, 39,564,887.73 and 17,068,134.62
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Solution
The fourth proportional to 28,670,169.62, 39,564,887.73 and 17,068,134.62 is: 23,554,057.72
Step by Step Solution
- Step 1: Write the proportion equation
28,670,169.62 : 39,564,887.73 = 17,068,134.62 : x - Step 2: Convert to fraction form
28,670,169.62/39,564,887.73 = 17,068,134.62/x - Step 3: Cross multiply
28,670,169.62x = 39,564,887.73 × 17,068,134.62 - Step 4: Simplify right side
28,670,169.62x = 675,298,830,000,826.25 - Step 5: Solve for x
x = 675,298,830,000,826.25/28,670,169.62 - Step 6: Final answer
x = 23,554,057.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.