Finding the Fourth Proportional to 19,394,887.80, 29,092,477.41 and 8,609,289.06
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Solution
The fourth proportional to 19,394,887.80, 29,092,477.41 and 8,609,289.06 is: 12,913,998.27
Step by Step Solution
- Step 1: Write the proportion equation
19,394,887.80 : 29,092,477.41 = 8,609,289.06 : x - Step 2: Convert to fraction form
19,394,887.80/29,092,477.41 = 8,609,289.06/x - Step 3: Cross multiply
19,394,887.80x = 29,092,477.41 × 8,609,289.06 - Step 4: Simplify right side
19,394,887.80x = 250,465,547,494,210.16 - Step 5: Solve for x
x = 250,465,547,494,210.16/19,394,887.80 - Step 6: Final answer
x = 12,913,998.27
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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.