Finding the Fourth Proportional to 17,778,358.35, 26,667,547.82 and 4,998,863.05
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Solution
The fourth proportional to 17,778,358.35, 26,667,547.82 and 4,998,863.05 is: 7,498,297.47
Step by Step Solution
- Step 1: Write the proportion equation
17,778,358.35 : 26,667,547.82 = 4,998,863.05 : x - Step 2: Convert to fraction form
17,778,358.35/26,667,547.82 = 4,998,863.05/x - Step 3: Cross multiply
17,778,358.35x = 26,667,547.82 × 4,998,863.05 - Step 4: Simplify right side
17,778,358.35x = 133,307,419,377,334.36 - Step 5: Solve for x
x = 133,307,419,377,334.36/17,778,358.35 - Step 6: Final answer
x = 7,498,297.47
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1.5x scale
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.