Finding the Fourth Proportional to 18,058,216.80, 27,090,605.70 and 5,924,303.40
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Solution
The fourth proportional to 18,058,216.80, 27,090,605.70 and 5,924,303.40 is: 8,887,531.32
Step by Step Solution
- Step 1: Write the proportion equation
18,058,216.80 : 27,090,605.70 = 5,924,303.40 : x - Step 2: Convert to fraction form
18,058,216.80/27,090,605.70 = 5,924,303.40/x - Step 3: Cross multiply
18,058,216.80x = 27,090,605.70 × 5,924,303.40 - Step 4: Simplify right side
18,058,216.80x = 160,492,967,456,569.38 - Step 5: Solve for x
x = 160,492,967,456,569.38/18,058,216.80 - Step 6: Final answer
x = 8,887,531.32
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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.