Finding the Fourth Proportional to 28,743,465.23, 39,660,675.05 and 16,352,835.29
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Solution
The fourth proportional to 28,743,465.23, 39,660,675.05 and 16,352,835.29 is: 22,563,893.44
Step by Step Solution
- Step 1: Write the proportion equation
28,743,465.23 : 39,660,675.05 = 16,352,835.29 : x - Step 2: Convert to fraction form
28,743,465.23/39,660,675.05 = 16,352,835.29/x - Step 3: Cross multiply
28,743,465.23x = 39,660,675.05 × 16,352,835.29 - Step 4: Simplify right side
28,743,465.23x = 648,564,486,302,795 - Step 5: Solve for x
x = 648,564,486,302,795/28,743,465.23 - Step 6: Final answer
x = 22,563,893.44
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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.