Finding the Fourth Proportional to 19,394,834.57, 29,092,397.68 and 8,609,235.83
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Solution
The fourth proportional to 19,394,834.57, 29,092,397.68 and 8,609,235.83 is: 12,913,918.47
Step by Step Solution
- Step 1: Write the proportion equation
19,394,834.57 : 29,092,397.68 = 8,609,235.83 : x - Step 2: Convert to fraction form
19,394,834.57/29,092,397.68 = 8,609,235.83/x - Step 3: Cross multiply
19,394,834.57x = 29,092,397.68 × 8,609,235.83 - Step 4: Simplify right side
19,394,834.57x = 250,463,312,341,802.88 - Step 5: Solve for x
x = 250,463,312,341,802.88/19,394,834.57 - Step 6: Final answer
x = 12,913,918.47
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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.