Finding the Fourth Proportional to 8,781,018.05, 12,115,987.97 and 6,026,694.05
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Solution
The fourth proportional to 8,781,018.05, 12,115,987.97 and 6,026,694.05 is: 8,315,590.76
Step by Step Solution
- Step 1: Write the proportion equation
8,781,018.05 : 12,115,987.97 = 6,026,694.05 : x - Step 2: Convert to fraction form
8,781,018.05/12,115,987.97 = 6,026,694.05/x - Step 3: Cross multiply
8,781,018.05x = 12,115,987.97 × 6,026,694.05 - Step 4: Simplify right side
8,781,018.05x = 73,019,352,578,537.11 - Step 5: Solve for x
x = 73,019,352,578,537.11/8,781,018.05 - Step 6: Final answer
x = 8,315,590.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.