Finding the Fourth Proportional to 19,394,808.25, 29,092,358.18 and 8,609,209.51
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Solution
The fourth proportional to 19,394,808.25, 29,092,358.18 and 8,609,209.51 is: 12,913,878.99
Step by Step Solution
- Step 1: Write the proportion equation
19,394,808.25 : 29,092,358.18 = 8,609,209.51 : x - Step 2: Convert to fraction form
19,394,808.25/29,092,358.18 = 8,609,209.51/x - Step 3: Cross multiply
19,394,808.25x = 29,092,358.18 × 8,609,209.51 - Step 4: Simplify right side
19,394,808.25x = 250,462,206,711,582.28 - Step 5: Solve for x
x = 250,462,206,711,582.28/19,394,808.25 - Step 6: Final answer
x = 12,913,878.99
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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.